1 2006-06-23 Olivier Hainque <hainque@adacore.com>
3 * tree.c (max_int_size_in_bytes): New function, inspired from
4 code in function.c:assign_temp.
5 * tree.h (max_int_size_in_bytes): Declare.
6 * function.c (assign_temp): Use it.
7 * gimplify.c (create_tmp_var): Relax the assertions on the type
8 properties, not mandating constant size any more.
9 (force_constant_size): New static function.
10 (gimple_add_tmp_var): Use it, forcing variable size to a
11 constant upper bound if it is not constant on entry.
13 * ada/misc.c (gnat_type_max_size): Look at TYPE_ADA_SIZE if we have
14 not been able to get a constant upper bound from TYPE_SIZE_UNIT.
16 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
19 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
20 for initialization and setting of one_only flag to ...
21 (i386_pe_encode_section_info): ...here.
22 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
23 Recheck that the symbol has not been defined.
25 2006-06-23 Richard Guenther <rguenther@suse.de>
27 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
28 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
29 alignment requests instead. Add verification code.
30 Add struct tree_function_decl and struct tree_binfo size to
31 extra_order_size_table. Add missing element to size_lookup
34 2006-06-22 Roger Sayle <roger@eyesopen.com>
35 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
38 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
39 call to lang_hooks.types.type_for_mode returned NULL_TREE.
41 2006-06-23 Ben Elliston <bje@au.ibm.com>
43 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
44 negate dn -- manipulate it directly.
46 2006-06-22 Roger Sayle <roger@eyesopen.com>
47 Steven Bosscher <stevenb.gcc@gmail.com>
50 * reload1.c (gen_reload): Call mark_jump_label on the new insns
51 generated by gen_move_insn to add REG_LABEL notes if necessary.
53 2006-06-22 Bob Wilson <bob.wilson@acm.org>
55 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
56 (leaf_entry): Remove use of MIN_ESA.
58 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
60 PR rtl-optimization/28121
61 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
64 2006-06-21 DJ Delorie <dj@redhat.com>
66 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
68 (mulhisi3_r): Likewise.
70 2006-06-21 Richard Sandiford <richard@codesourcery.com>
73 * coverage.c (coverage_counter_alloc): Leave the index type
75 (coverage_counter_alloc): Use null arguments for operands 2 and 3
78 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
80 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
81 section from the "Options for Code Generation Conventions".
83 2006-06-21 Richard Henderson <rth@redhat.com>
87 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
89 (global_symbolic_operand): Allow weak symbols, even if local_p.
91 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
93 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
94 (find_interesting_uses_address): Punt if above function returns true.
96 2006-06-21 Richard Guenther <rguenther@suse.de>
98 * configure: Regenerated.
100 2006-06-21 Joseph Myers <joseph@codesourcery.com>
102 * config/mips/mips.c (function_arg): Where one part of a
103 complex argument is in registers and the other part in the stack,
104 return a REG not a PARALLEL.
106 2006-06-21 Mark Mitchell <mark@codesourcery.com>
108 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
109 when cross-compiling. Do not substitute libstdcxx_incdir.
110 * configure: Regenerated.
112 2006-06-21 Jakub Jelinek <jakub@redhat.com>
114 * varasm.c (mergeable_string_section): Check for embedded NULs and
115 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
116 rather than TREE_STRING_LENGTH bytes.
118 2006-06-21 Richard Guenther <rguenther@suse.de>
120 * ggc-page.c (extra_order_size_table): Add var_ann_d,
121 tree_ssa_name, bitmap_element and phi_node with 4 arguments
124 2006-06-21 Richrad Guenther <rguenther@suse.de>
126 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
127 Limit iteration over the dominators.
129 2006-06-20 Roger Sayle <roger@eyesopen.com>
131 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
132 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
134 2006-06-20 Richard Guenther <rguenther@suse.de>
135 Michael Matz <matz@suse.de>
137 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
139 * alloc-pool.c (free_alloc_pool_if_empty): New function.
140 * et-forest.h (et_free_pools): Prototype new function.
141 * et-forest.c (et_free_tree_force): Free parent occurrence.
142 (et_free_pools): New function.
143 * dominance.c (free_dominance_info): Free et-forest alloc
146 2006-06-20 Roger Sayle <roger@eyesopen.com>
148 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
149 integer modes, attempt to directly construct an integer constant.
151 * fold-const.c (native_encode_vector): Determine the size of each
152 element from the vector type instead of the first vector element.
154 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
155 if all of its elements/components are constant.
156 (build_constructor_from_list): Likewise.
158 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
160 PR tree-optimization/27331
161 * tree-data-ref.c (free_data_ref): New function.
162 (create_data_ref): Fail if the data reference has unknown access
164 (free_data_refs): Use free_data_ref.
166 2006-06-19 Andrew Pinski <pinskia@gmail.com>
169 * tree-inline.c (setup_one_parameter): Strip useless
170 type conversion before adding it to the IR.
171 (declare_return_variable): Likewise.
173 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
176 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
178 2006-06-19 Mike Stump <mrs@apple.com>
180 * tree.c (variably_modified_type_p): VM arguments don't make the
183 2006-06-19 Richard Guenther <rguenther@suse.de>
185 * tree-ssa-pre.c (try_combine_conversion): Strip useless
186 type conversions after folding.
188 2006-06-19 Richard Guenther <rguenther@suse.de>
190 * ggc-page.c (extra_order_size_tab): Add entries with
191 size of struct function and basic_block.
192 (size_lookup): Extend to cover sizes up to 511.
193 (ggc_alloc_stat): Adjust user.
194 (ggc_pch_count_object): Likewise.
195 (ggc_pch_alloc_object): Likewise.
196 (ggc_pch_write_object): Likewise.
198 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
200 * tree-ssa-loop-niter.c (implies_ge_p): New function.
201 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
204 2006-06-19 Denis Chertykov <denisc@overta.ru>
206 * config/avr/libgcc.S : Correct my wrong previous commit.
208 2006-06-19 Roger Sayle <roger@eyesopen.com>
211 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
212 have stripped a SUBREG from the shift count, so we may need to
213 convert_to_mode back to the type's mode before calling make_tree.
214 Use new_amount instead of amount to avoid expanding a tree twice.
216 2006-06-19 Richard Guenther <rguenther@suse.de>
219 * fold-const.c (operand_equal_p): Check if the argument types
220 have the same precision before stripping NOPs.
222 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
224 Fix PR tree-optimization/27341
225 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
227 * tree-complex.c (pass_lower_complex): Update SMT usage.
229 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
231 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
232 Add a new alternative to the constraint strings. Add move of
233 operand 1 to 3 to the splitter definition.
234 ("doloop_si_long"): Second contraint alternative removed.
236 2006-06-08 Anatoly Sokolov <aesok@post.ru>
238 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
239 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
241 (AVR_HAVE_MOVW) Define.
242 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
243 (ASM_SPEC): Add avr25.
244 (LINK_SPEC): Add avr25.
245 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
246 (base_arch_s): Add new member 'have_movw_lpmx'.
247 (avr_arch_types): Init 'have_movw_lpmx'.
248 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
249 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
250 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
251 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
252 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
254 (avr_file_start): Do not output '.arh' derective.
255 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
256 (__do_copy_data): Use __AVR_HAVE_LPMX__.
257 * config/avr/avr.md (mcu_enhanced): Delete.
258 (mcu_have_movw): Define.
259 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
260 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
261 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
262 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
263 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
264 attiny861 and at86rf401 devices.
266 2006-06-18 Jie Zhang <jie.zhang@analog.com>
268 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
271 2006-06-17 Karl Berry <karl@gnu.org>
273 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
274 doc/gccint.texi, doc/install.texi (@dircategory): Use
275 "Software development" instead of "Programming", following
276 the Free Software Directory.
278 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
280 * config/i386/i386.c (legitimate_tls_address)
281 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
282 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
283 (*tls_dynamic_gnu2_combine_64): Likewise.
285 2006-06-16 Richard Guenther <rguenther@suse.de>
288 * fold-const.c (negate_expr_p): Do not introduce undefined
289 overflow in negating INTEGER_CSTs.
290 (fold_negate_expr): Rename from negate_expr. Revert last
291 change for folding BIT_NOT_EXPR. Change semantics to
292 return NULL_TREE for non-simplified negations. Do not
293 strip type conversions and unify type handling.
294 (negate_expr): New function, wrap around fold_negate_expr
295 but ensure building a tree always. Strip type conversions
296 here, fold to result type.
297 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
299 2006-06-16 Roger Sayle <roger@eyesopen.com>
302 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
303 that (would) return their results in stack registers.
305 2006-06-16 Michael Matz <matz@suse.de>
306 Richard Guenther <rguenther@suse.de>
308 * fold-const.c (fold_truthop): Only return new tree node if
309 we canonicalized something.
311 2006-06-16 Richard Guenther <rguenther@suse.de>
313 * function.h (enum function_frequency): Move declaration
314 out of struct function.
315 (struct function): Move bool fields and the enum to the bitfield
316 section. Reorder elements to avoid padding. Remove unused
317 fields left over from the RTL inliner removal.
318 * function.c (free_after_compilation): Do not zero removed fields.
319 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
320 (ipa-type-escape.o): Likewise.
322 2006-06-16 Richard Guenther <rguenther@suse.de>
324 * cgraph.h (struct cgraph_local_info): Turn bool elements
326 (struct cgraph_node): Likewise.
327 (struct cgraph_varpool_node): Likewise.
329 2006-06-15 Richard Guenther <rguenther@suse.de>
331 * fold-const.c (fold_truth_not_expr): Rename from
332 invert_truthvalue. Give it fold_* semantics to avoid
334 (invert_truthvalue): New function. Wrapper around
336 (optimize_minmax_comparison): Avoid creating garbage.
337 (fold_unary): Use fold_truth_not_expr for folding
339 (fold_ternary): Replace uses of invert_truthvalue with
340 fold_truth_not_expr where applicable.
341 * tree.h (fold_truth_not_expr): Prototype.
343 2006-06-16 Richard Guenther <rguenther@suse.de>
345 PR tree-optimization/27781
346 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
347 * ipa-pure-const.c (target.h): Include.
348 (analyze_function): Do not analyze functions that do not
351 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
354 * tree-dfa.c (referenced_vars_dup_list): Remove.
355 (find_referenced_vars): Remove assert.
356 (referenced_var_check_and_insert): Replace dup list with assert.
357 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
358 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
360 2006-06-15 Richard Guenther <rguenther@suse.de>
362 * tree-ssa-structalias.c (alias_get_name): Avoid creating
363 extra unused identifiers if not dumping.
364 (create_variable_info_for): Likewise.
366 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
368 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
369 (derive_constant_upper_bound): Derive more precise upper bound in
370 common cases. Return type changed to double_int.
371 (record_estimate): Reflect the changed return type of
372 derive_constant_upper_bound.
373 * double-int.c (double_int_zext, double_int_sext): Fix.
375 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
377 * configure.ac (CFLAGS): Get them from the toplevel or from the
378 configure invocation.
379 * configure: Regenerate.
380 * Makefile.in (CFLAGS): Substitute value provided by configure.
382 2006-06-14 Mark Mitchell <mark@codesourcery.com>
385 * c-common.h (c_finish_omp_atomic): Adjust declaration.
386 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
387 rather than calling add_stmt on it.
388 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
390 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
393 * reload1.c (reload): Remove registers returned by update_eliminables
394 from used_spill_regs.
396 2006-06-13 DJ Delorie <dj@redhat.com>
398 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
400 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
402 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
403 html__strip_dir, html__mkdir_p. Enhance install-html target.
404 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
405 * configure: Regenerate.
407 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
409 * fold-const.c (fold_cond_expr_with_comparison): Check for
410 Objective-C++ as language in deciding COND_EXPR transformation.
412 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
415 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
416 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
417 * config/sh/lib1funcs.h (SL, SL1): Define.
418 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
419 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
420 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
421 (OBJS_Os_4_200): New variable.
422 ($(T)libgcc-Os-4-200.a): Use it.
423 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
424 when dividing 1 and/or by 0.
426 2006-06-13 Roger Sayle <roger@eyesopen.com>
428 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
429 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
430 * configure: Regenerate.
432 2006-06-13 Jie Zhang <jie.zhang@analog.com>
434 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
435 for real instruction.
437 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
440 * haifa-sched.c (check_cfg): Handle special case.
442 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
445 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
446 Add debug_info parameter. Chain the vars to the BLOCK instead
447 of the BIND_EXPR if debug info are requested for them.
448 (pop_gimplify_context): Adjust for above change.
449 (gimple_add_tmp_var): Likewise.
450 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
452 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
453 (convert_local_reference): Likewise.
454 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
455 (finalize_nesting_tree_1): Request that debug info be emitted
458 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
460 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
463 2006-06-13 Richard Guenther <rguenther@suse.de>
466 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
468 2006-06-13 Richard Guenther <rguenther@suse.de>
470 PR tree-optimization/27830
471 * tree-inline.c (copy_body_r): For copying the operand
472 of an ADDR_EXPR make sure to fold &* afterwards.
474 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
476 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
477 lvalues in the fb_none case with side-effects.
479 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
481 * tree-flow.h: Remove the prototype for
482 compute_phi_arg_on_exit.
483 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
484 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
487 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
489 * builtins.c (expand_builtin_return_addr): Only use
490 frame_pointer_rtx when count == 0 and we are expanding
491 __builtin_return_address.
493 2006-06-12 Fred Fish <fnf@specifix.com>
495 * config/mips/mips.c (mips_file_start): Create special section
496 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
498 2006-06-11 Eric Christopher <echristo@apple.com>
501 * stor-layout.c (place_field): Remove check for
502 remaining_in_alignment when aligning at the end of a run.
504 2006-06-11 Eric Christopher <echristo@apple.com>
507 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
510 2006-06-11 Roger Sayle <roger@eyesopen.com>
513 Revert incorrect fix for PR target/27158
514 2006-05-08 Roger Sayle <roger@eyesopen.com>
515 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
516 of a reg_equiv_constant if the result is a legitimate constant.
518 2006-06-11 Roger Sayle <roger@eyesopen.com>
521 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
522 extract a CONST_VECTOR element and interpret it as an integer.
523 (vspltis_constant): Use const_vector_elt_as_int instead of the
524 macro CONST_VECTOR_ELT in order to handle FP vector modes.
525 * config/rs6000/predicates.md (easy_vector_const): Consider
526 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
528 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
531 * stor-layout.c (update_alignment_for_field): Don't add extra
532 alignment for packed non-bitfield fields in ms_bitfield_layout_p
535 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
537 * config/mips/t-rtems: Add EL/EB multilib variants.
539 2006-06-09 Mike Stump <mrs@apple.com>
541 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
543 2006-06-09 David Daney <ddaney@avtrex.com>
545 * doc/install.texi: Add binutils version recommendation for mips-*-*.
547 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
549 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
551 2006-06-09 Richard Guenther <rguenther@suse.de>
553 PR tree-optimization/26998
554 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
555 of signed types, only TYPE_MIN_VALUE is special, but for both,
556 minimum and maximum value. Likewise VR_ANTI_RANGE is special
557 in this case, as is -fwrapv.
559 2006-06-08 Mike Stump <mrs@apple.com>
562 * config/darwin.c (darwin_asm_output_anchor): Disable
563 -fsection-anchors on darwin for now.
564 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
565 * rs6000/rs6000.c (optimization_options): Likewise.
567 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
570 * config/i386/i386.c (classify_argument): Skip fields with invalid
573 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
575 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
576 (cse_insn): Likewise for the stack_pointer_rtx.
578 2006-06-08 Roger Sayle <roger@eyesopen.com>
580 * tree-ssa-dom.c (record_conditions): Only record "unordered"
581 conditions from floating point comparisons.
583 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
586 * expmed.c (struct alg_hash_entry): Fix type of field T
587 to match synth_mult argument.
588 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
590 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
593 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
596 2006-06-08 Richard Guenther <rguenther@suse.de>
599 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
600 only, if overflow is defined and not trapping.
601 (negate_expr): Likewise.
603 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
605 PR tree-optimization/27872
606 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
607 flag on the new exit edge of the unrolled loop.
609 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
611 PR rtl-optimization/26449
612 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
614 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
617 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
618 referenced_variables with matching DECL_UID's.
619 (find_referenced_vars): Make sure duplicate list is empty to start.
620 (referenced_var_p): Remove.
621 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
622 Check if var is in the list, and add if needed. Update the duplicate
623 list if a different var is in the list with the same DECL_UID.
624 (add_referenced_var): Call routine to check and insert.
625 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
626 * tree-flow.h (referenced_vars_dup_list): External declaration.
628 2006-06-07 Fred Fish <fnf@specifix.com>
630 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
633 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
636 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
637 the imaginary and real parts of a clobbered register.
638 Emit insn to set the imaginary part.
640 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
642 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
643 in lieu of unwind-dw2-fde.c.
645 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
647 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
649 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
652 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
653 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
654 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
655 V4SImode temporaries and operations instead.
657 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
659 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
662 2006-06-06 Mike Stump <mrs@apple.com>
664 * Makefile.in: Rename to htmldir to build_htmldir to avoid
665 installing during build.
667 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
669 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
671 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
672 * config/ia64/ia64.c (params.h): New header.
673 (ia64_optimization_options): New function to adjust parameters.
674 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
675 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
676 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
678 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
680 * stor-layout.c (debug_rli): Fix a typo in a debug message.
682 2006-06-05 Steve Ellcey <sje@cup.hp.com>
685 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
687 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
688 Victor Kaplansky <victork@il.ibm.com>
690 PR tree-optimization/26360
691 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
694 2006-06-04 Roger Sayle <roger@eyesopen.com>
695 Andrew Pinski <pinskia@physics.uc.edu>
698 * c-common.c (c_common_truthvalue_conversion): Explicitly check
699 for LABEL_DECL before calling DECL_WEAK.
702 * c-typeck.c (build_binary_op): Likewise, explicitly check for
703 LABEL_DECL and PARM_DECL.
705 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
709 * c-decl.c (grokdeclarator): Disallow variably modified types at
710 file scope. Avoid marking shared array type of constant size as
713 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
716 * c-common.c (fold_offsetof_1): Handle static members.
718 2006-06-04 Eric Christopher <echristo@apple.com>
720 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
721 (debug_rli): Output value for remaining_in_alignment.
722 (update_alignment_for_field): Unconditionalize
723 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
724 extra alignment code.
725 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
726 ms_bitfield_layout_p code. Rewrite handling of structure fields.
727 * tree.h (record_layout_info_s): Remove prev_packed.
728 * doc/extend.texi (ms_struct): Add documentation of format.
730 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
732 * tree.h: Declare folding_initializer.
733 * builtins.c (fold_builtin_constant_p): Give definite answer
734 if folding inside an initializer.
735 * fold-const.c: Define folding_initializer.
736 (START_FOLD_INIT): Save and then set folding_initializer.
737 (END_FOLD_INIT): Restore folding_initializer.
739 2006-06-04 Richard Guenther <rguenther@suse.de>
741 PR tree-optimization/27039
742 * fold-const.c (fold_comparison): Handle pointer comparison
743 again for all comparison codes. Compare offsets in signed
745 (fold_binary): Move code from here.
747 2006-06-03 Roger Sayle <roger@eyesopen.com>
750 * config/i386/i386.c (construct_container): Split static issued_error
751 flag into issued_sse_arg_error, issued_sse_ret_error and
752 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
753 requires the use of x87 registers and the user explicitly
754 specified the -mno-80387 command line option.
756 2006-06-02 Geoffrey Keating <geoffk@apple.com>
758 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
759 HAVE_DECL_SIGALTSTACK.
761 (segv_handler): Use MC_FLD.
762 * configure.ac: Check for a sigaltstack declaration.
763 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
764 * configure: Regenerate.
765 * config.in: Regenerate.
767 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
770 * Makefile.in (stmp-fixinc): Fix typo.
772 2006-06-02 Roger Sayle <roger@eyesopen.com>
774 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
775 are type correct. Clean-up.
776 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
777 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
779 2006-06-01 DJ Delorie <dj@redhat.com>
781 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
782 shift, as we've disabled the "switch" insn that needs it.
784 2006-06-01 Per Bothner <bothner@bothner.com>
786 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
787 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
788 * c-ppoutput.c (cb_define): Don't increment line 0.
790 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
792 * doc/invoke.texi: Add cpu_type power6.
793 * config.gcc: Add cpu_type power6.
794 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
795 to power5+ with Altivec.
796 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
797 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
799 2006-05-30 Anatoly Sokolov <aesok@post.ru>
801 * config/avr/avr.h (SET_ASM_OP): Define.
803 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
805 * config/bfin/bfin.c: Fix comment typos.
807 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
810 * doc/install.texi: Document --enable-bootstrap and
813 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
815 * doc/install.texi: Document that InfoZIP can replace jar.
817 2006-05-31 Roger Sayle <roger@eyesopen.com>
819 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
820 isn't available, directly generate the simpler x87 patterns without
821 the (use (const_int 0)).
822 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
823 implementation isn't available.
824 (*negdf2_1): Likewise.
825 (*negxf2_1): XF mode negation is always done using the x87.
826 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
828 2006-05-31 Roger Sayle <roger@eyesopen.com>
830 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
831 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
833 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
835 2006-05-31 Jie Zhang <jie.zhang@analog.com>
837 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
838 * config/bfin/bfin.c (basic-block.h): Include.
839 (struct machine_function): New.
840 (bfin_init_machine_status): New.
841 (override_options): Initialize init_machine_status.
842 (bfin_hardware_loop): New.
843 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
844 (DEF_VEC_P (loop_info)): New.
845 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
846 (struct loop_info): New.
847 (loop_info): New typedef.
848 (struct loop_work): New.
849 (loop_work): New typedef.
850 (DEF_VEC_O (loop_work)): New.
851 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
852 (bfin_dump_loops): New.
853 (bfin_bb_in_loop): New.
854 (bfin_scan_loop): New.
855 (bfin_optimize_loop): New.
856 (bfin_reorg_loops): New.
857 (bfin_reorg): Use bfin_reorg_loops.
858 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
860 (I_REGNO_P): Simplify.
861 (DP_REGNO_P, DPREG_P): New macros.
862 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
863 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
864 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
865 Add LT_REGS, LC_REGS, LB_REGS.
866 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
868 (REGNO_REG_CLASS): Deal with loop registers.
869 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
871 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
872 New constants for loop registers.
873 (UNSPEC_LSETUP_END): New.
874 (seq_insns): New define_attr. Set it for appropriate insns.
875 (movsi_insn): Add alternatives for move from/to
876 loop count registers.
877 (doloop_end): New define_expand.
878 (loop_end): New define_insn.
879 (define_split for bad doloop_end): New.
880 (lsetup_with_autoinit): New define_insn.
881 (lsetup_without_autoinit): New define_insn.
882 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
883 * config/bfin/predicates.md (lc_register_operand): New.
884 (lt_register_operand): New.
885 (lb_register_operand): New.
886 (nondp_register_operand): New.
887 (nondp_reg_or_memory_operand): New.
888 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
890 2006-05-31 Jie Zhang <jie.zhang@analog.com>
892 * config/bfin/bfin.c (bfin_delegitimize_address): New.
893 (TARGET_DELEGITIMIZE_ADDRESS): Define.
895 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
897 * Makefile.in (CATALOGS): Add po/ prefix.
898 * configure: Regenerated.
900 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
903 * arm.c (arm_print_operand case 'S'): Validate that the operand is
904 a shift operand before calling shift_op. Avoid redundant call of
907 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
908 DJ Delorie <dj@redhat.com>
910 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
911 we're inserting is a singlt-bit constant.
913 2006-05-30 Roger Sayle <roger@eyesopen.com>
915 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
916 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
918 2006-05-30 Roger Sayle <roger@eyesopen.com>
920 PR tree-optimization/23452
921 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
922 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
923 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
924 complex values and with -ffast-math for FP complex values.
926 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
928 * c-common.h: Remove the prototype for yyparse.
929 * rtl.h: Remove the prototype for init_loop.
931 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
933 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
936 2006-05-30 Roger Sayle <roger@eyesopen.com>
938 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
940 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
941 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
943 2006-05-30 Dirk Mueller <dmueller@suse.de>
946 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
947 for CONSTANT_CLASS_P expresisons.
949 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
952 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
954 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
956 PR tree-optimization/27779
957 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
958 initial_condition instead of CHREC_LEFT.
960 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
962 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
963 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
964 Make prototypes ISO C90.
966 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
967 Leehod Baruch <leehod.baruch@weizmann.ac.il>
969 * see.c (see_analyze_one_def): Correct check.
970 (see_get_extension_data): Check if extension is parallel.
971 (see_get_extension_reg): Likewise.
973 2006-05-30 Uros Bizjak <uros@kss-loka.si>
976 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
977 into register for (code == GTU).
979 2006-05-29 Roger Sayle <roger@eyesopen.com>
981 PR tree-optimization/24964
982 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
983 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
984 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
985 abs(x)*abs(x) as x*x for scalar floating point modes.
987 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
990 * lambda-code.c (perfect_nestify): Don't copy statements
991 in the inner loop: move them to the inner loop header.
993 2006-05-29 Diego Novillo <dnovillo@redhat.com>
996 * c-tree.texi: Document OpenMP directives and clauses.
998 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1000 * varasm.c (globalize_decl): Fix indentation.
1002 2006-05-29 Diego Novillo <dnovillo@redhat.com>
1005 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
1006 pass_fre, pass_store_ccp, pass_copy_prop,
1007 pass_store_copy_prop, pass_merge_phi, pass_nrv,
1008 pass_return_slot, pass_object_size, pass_lim,
1009 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
1010 pass_loop_prefetch and pass_stdarg.
1012 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
1014 * config/bfin/bfin.opt (mfdpic): New option.
1015 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
1016 (EXTRA_MULTILIB_PARTS): Likewise.
1017 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
1018 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
1020 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
1021 (CRT_CALL_STATIC_FUNCTION): New.
1022 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
1024 (CRT_CALL_STATIC_FUNCTION): New.
1025 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
1027 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
1028 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
1029 (initialize_trampoline): Changed to handle FD-PIC code generation.
1030 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
1031 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
1032 (override_options): Disallow -mid-shared-library -mfdpic combination.
1033 Can't do unaligned ops if FD-PIC.
1034 Turn off flag_pic if trying to generate non-id-shared-library
1035 non-fdpic code, since it's not supported.
1036 (bfin_assemble_integer): New function.
1037 (TARGET_ASM_INTEGER): Define.
1038 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
1040 * config/bfin/crtn.s: Restore them.
1041 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
1043 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
1044 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
1045 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
1046 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
1047 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
1049 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
1050 FDPIC_REGS and FDPIC_FPTR_REGS.
1051 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
1052 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
1053 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
1054 (load_funcdescsi): New pattern.
1055 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
1056 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
1057 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
1059 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
1061 * gcse.c, rtlanal.c: Remove obsolete comments associated with
1064 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
1066 * tree-flow.h: Remove the prototype for add_type_alias.
1067 * tree-ssa-alias.c (add_type_alias): Remove.
1069 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
1071 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
1072 config/fr30/fr30.md, config/i386/i386-interix.h,
1073 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
1074 config/sh/superh64.h, config/v850/v850.c, df-core.c,
1075 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
1076 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
1077 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
1078 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
1079 Follow spelling conventions.
1080 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
1081 Follow spelling conventions.
1083 2006-05-27 Richard Guenther <rguenther@suse.de>
1086 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
1087 to produce a constant of value 1 of generic type.
1089 2006-05-27 Dirk Mueller <dmueller@suse.de>
1091 * cgraphunit.c (decide_is_function_needed): Fix wrong
1094 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
1096 PR rtl-optimization/27661
1097 * reload.c (find_reloads): When reloading a VOIDmode constant
1098 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
1099 use Pmode as mode of the reload register.
1101 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
1103 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
1104 is enabled at -O and above.
1106 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
1109 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
1112 2006-05-25 Mark Mitchell <mark@codesourcery.com>
1115 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
1116 for anonymous variables explicitly declared by front ends.
1118 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1120 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
1121 (struct alias_info): Add new field ref_all_symbol_mem_tag.
1122 * tree-ssa-alias.c (compute_may_aliases): If the program contains
1123 ref-all pointers, run a finalization pass for them.
1124 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
1125 (finalize_ref_all_pointers): New function.
1126 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
1127 regular pointer type to a ref-all pointer type.
1128 (get_tmt_for): Return the special memory tag for ref-all pointers.
1130 2006-05-25 Richard Guenther <rguenther@suse.de>
1133 * fold-const.c (fold_binary): Do not look at the stripped
1134 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
1136 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
1138 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
1139 for LT and GT if the computed range is effectively empty.
1141 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1144 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
1145 mips_quad_format formats instead of ieee_single_format,
1146 ieee_double_format and ieee_quad_format formats, respectively.
1148 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
1150 PR tree-optimization/27639
1151 PR tree-optimization/26719
1152 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
1153 call to scev_probably_wraps_p.
1154 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
1155 used_in_pointer_arithmetic_p, convert_step): Removed.
1156 (nowrap_type_p): New function.
1157 (scev_probably_wraps_p): Rewritten.
1158 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
1159 chrec_convert if chrec_convert_aggressive might have been used.
1160 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
1161 scev_direction): New functions.
1162 (chrec_convert): Changed to a wrapper over chrec_convert_1.
1163 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
1164 instead of convert_step.
1165 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
1166 (convert_step): Declaration removed.
1167 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
1169 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
1171 * df-core.c: Added to header comments.
1172 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
1173 df_ur_bb_info, df_urec_bb_info): Added comments.
1174 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
1175 urec, ri problems): Fixed header comments.
1176 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
1177 code from df_rd_transfer_function.
1179 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1181 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
1182 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
1183 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
1185 2006-05-23 Joseph Myers <joseph@codesourcery.com>
1187 * expr.c (undefined_operand_subword_p): New.
1188 (emit_move_multi_word): Do not generate move from undefined bits
1189 of a paradoxical subreg.
1191 2006-05-23 Richard Sandiford <richard@codesourcery.com>
1193 PR rtl-optimization/27736
1194 * combine.c (replaced_rhs_value): New variable.
1195 (combine_instructions): Set it.
1196 (distribute_notes): When distributing a note in replaced_rhs_insn,
1197 check whether the value was used in replaced_rhs_value.
1199 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
1202 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
1203 add_referenced_var instead of add_referenced_tmp_var.
1204 * tree-complex.c (create_one_component_var): Use add_referenced_var.
1205 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
1207 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
1208 tree_optimize_tail_calls_1): Use add_referenced_var.
1209 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
1210 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
1211 Use add_referenced_var.
1212 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
1213 * gimplify.c (force_gimple_operand): Use add_referenced_var.
1214 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
1215 Use add_referenced_var.
1216 * tree-dfa.c (struct walk_state): Remove.
1217 (find_referenced_vars): Remove walk state and vars_found hash table.
1218 (make_rename_temp): Use add_referenced_var.
1219 (find_vars_r): Pass less parameters to add_referenced_var.
1220 (referenced_var_p): New. Is var in referenced_var hash table.
1221 (referenced_var_insert): Assert var isn't already in hash table.
1222 (add_referenced_var): Don't need walk_state parameter. Add var if it
1223 isn't already in the hash table.
1224 (add_referenced_tmp_var): Remove.
1225 (find_new_referenced_vars_1): Use add_referenced_var.
1226 * tree-ssa-pre.c (create_expression_by_pieces,
1227 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
1228 Use add_referenced_var.
1229 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
1230 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1231 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
1233 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
1234 vect_create_data_ref_ptr, vect_create_destination_var,
1235 vect_init_vector, vect_build_loop_niters,
1236 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1237 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
1238 Use add_referenced_var.
1239 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
1240 * tree-flow.h (add_referenced_tmp_var): Remove prototype
1241 (add_referenced_var): Add prototype.
1242 * tree-ssa-structalias.c (get_constraint_for,
1243 intra_create_variable_infos): Use add_referenced_var.
1245 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
1247 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
1248 big-endian paradoxical subregs.
1249 * var-tracking.c (struct micro_operation_def): Document that,
1250 for modify micro operations, insn is the subsequent instruction.
1251 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
1252 (var_reg_set, var_mem_set): ... new functions.
1253 (add_stores): Record subsequent insn.
1254 (compute_bb_dataflow): Use new functions for MO_USE.
1255 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
1256 notes after the insn, and modify notes before the insn known
1257 to be the subsequent one.
1258 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
1260 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
1263 * config/i386/i386.c (ix86_expand_builtin): Use
1264 gen_sse3_monitor64 for TARGET_64BIT.
1266 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
1268 PR rtl-optimization/26375
1269 PR rtl-optimization/26855
1270 * df-problems (df_ru_bb_local_compute_process_def): Removed update
1272 (df_ru_bb_local_compute): Reversed statements and removed bogus
1273 comment explaining why they should be in wrong order.
1274 (df_ru_dump, df_rd_dump): Enhanced debug info.
1275 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
1277 * ddg.c (add_deps_for_def): Converted use of reaching defs to
1278 reaching uses and fixed space problem.
1280 2006-05-23 Jan Hubicka <jh@suse.cz>
1282 * cgraphunit.c (decide_is_function_needed): Also nested functions
1283 and functions declared inline can be optimized out at -O0.
1285 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
1287 * doc/install.texi (Configuration): Remove reference to CrossGCC
1291 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1294 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
1295 ix86_compare_emitted is non-NULL.
1297 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1300 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
1303 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1305 PR rtl-optimization/25514
1306 * combine.c (replaced_rhs_insn): New variable.
1307 (combine_instructions): Set replaced_rhs_insn when trying to replace
1308 a SET_SRC with a REG_EQUAL note.
1309 (distribute_notes): Use replaced_rhs_insn when determining the live
1310 range of a REG_DEAD register.
1312 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
1313 Anatoly Sokolov <aesok@post.ru>
1315 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
1316 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
1317 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
1318 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
1319 atmega3290, atmega649, atmega6490, atmega406, atmega640,
1320 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
1321 at90usb647, at90usb1286 and at90usb1287 devices.
1322 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1323 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1325 2006-05-22 Richard Sandiford <richard@codesourcery.com>
1327 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
1329 2006-05-22 Richard Guenther <rguenther@suse.de>
1332 2006-01-31 Richard Guenther <rguenther@suse.de>
1333 Paolo Bonzini <bonzini@gnu.org>
1335 * doc/install.texi (--disable-libgcc-math): Document.
1337 2006-05-22 Richard Guenther <rguenther@suse.de>
1340 2006-01-31 Richard Guenther <rguenther@suse.de>
1342 * doc/invoke.texi (-msselibm): Document.
1343 * target.h (expand_library_builtin): New target hook.
1344 * builtins.c (expand_builtin): Use expand_library_builtin.
1345 (default_expand_library_builtin): New function.
1346 * gcc.c (LINK_GCC_MATH_SPEC): Define.
1347 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
1348 (link_gcc_math_spec): Declare.
1349 (static_specs): Add link_gcc_math_spec.
1350 * expr.h (default_expand_library_builtin): Declare.
1351 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1352 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
1353 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
1354 * config/i386/i386.opt (msselibm): New target option.
1355 * config/i386/i386.c (ix86_builtin_function_variants): New array.
1356 (ix86_init_sse_abi_builtins): New function.
1357 (ix86_expand_library_builtin): Likewise.
1358 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
1359 (override_options): Handle error conditions wrt -msselibm.
1360 (ix86_builtins): Add function codes for SSE2 ABI builtins.
1361 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
1362 * doc/extend.texi (__builtin_sse2_*): Document new target specific
1365 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1368 * c-common.c (self_promoting_args_p): Skip erroneous args.
1371 * c-decl.c (finish_struct): Skip erroneous fields.
1373 2006-05-22 Nick Clifton <nickc@redhat.com>
1375 * config/cris/cris.opt (march): Remove VarExists attribute.
1376 (max-stackframe=): Likewise.
1378 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
1380 * doc/rtl.texi: Fix a typo.
1381 * see.c: Fix comment typos.
1383 * tree-ssa-structalias.h (alias_info): Remove num_references.
1385 2006-05-21 Mike Stump <mrs@apple.com>
1387 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
1389 (darwin_pragma_options): Use BAD instead.
1390 (darwin_pragma_unused): Likewise.
1391 (darwin_pragma_ms_struct): Likewise.
1393 2006-05-21 David Edelsohn <edelsohn@gnu.org>
1395 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
1397 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
1399 PR rtl-optimization/27671
1400 * simplify-rtx.c (simplify_relational_operation_1): Fix
1401 simplifications of (eq/ne (xor x y) y) and
1402 (eq/ne (xor x y) x).
1404 PR tree-optimization/26622.
1405 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
1408 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1410 * tree-cfg.c: Prune whitespace.
1411 (debug_tree_cfg): Point to correct header containing the
1414 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
1417 * cgraphunit.c (verify_cgraph_node): Typo in error message.
1419 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
1422 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
1423 or sorry count is non zero.
1425 2006-05-20 Andreas Schwab <schwab@suse.de>
1427 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
1429 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
1430 Kenneth Zadeck <zadeck@naturalbridge.com>
1432 PR rtl-optimization/26855
1434 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
1436 (df_scan_alloc): Added code to properly handle multiword hard
1437 registers and add all_blocks parameter.
1438 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
1439 code to properly handle multiword hard registers.
1440 (df_rescan_blocks): Added code to remove deleted blocks from
1442 (df_ref_create_structure, df_ref_record): Added code to properly
1444 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
1445 and set DF_REF_PARTIAL.
1446 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
1447 (df_uses_record): Added DF_REF_PARTIAL for subreg.
1448 (df_scan_add_problem): Added flags parameter.
1449 (df_ref_create_structure): Changed switching structure.
1450 (df_bb_refs_record): Fixed case where duplicate artificial refs
1451 were created. Changed location of flags.
1452 (df_record_entry_block_defs): Added code to make stack pointer
1453 live in entry block. Refined cases where frame pointer is needed.
1454 Changed location of flags.
1455 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
1456 (df_set_state): Removed function.
1457 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
1458 df_insn_create_insn_record, df_insn_refs_delete,
1459 df_ref_create_structure): Formatting changes.
1460 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
1461 df_delete_basic_block): New function.
1462 (df_init): Changed location of flags.
1463 (df_add_problem): Added flags parameter and the way flags are
1465 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
1466 debug_df_chain): Improved debugging output.
1467 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
1468 (df_refs_chain_dump): Removed df parameter.
1469 (df_iterative_dataflow): Added consistency check.
1470 (df_prune_to_subcfg): Made public.
1471 (df_analyze_problem): Added blocks_to_init parameter and made
1473 (df_ref_record, df_bb_refs_record, df_mark_reg,
1474 df_record_exit_block_uses): Whitespace changes.
1475 (df_dump): Whitespace changes.
1476 * df.h: Some reordering to remove forward references.
1477 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
1478 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
1479 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
1480 (dataflow.flags): New field.
1481 (df.flag): Deleted field.
1482 (df_alloc_function): Added additional bitmap parameter.
1483 (df_dependent_problem_function): New type.
1484 (df_problem.changeable_flags): New field.
1485 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
1486 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
1487 (df_mw_hardreg): New struct.
1488 (DF_INSN_UID_MWS): New macro.
1489 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
1491 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
1492 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
1493 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
1494 (df_set_state): Removed function.
1495 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
1496 * df-problems.c (df_chain_dump): Removed df parameter.
1497 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
1498 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
1500 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
1501 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
1502 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
1503 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
1504 DF_REF_MUST_CLOBBER cases.
1505 (df_ru_bb_local_compute_process_def,
1506 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
1507 df_lr_bb_local_compute, df_ur_bb_local_compute,
1508 df_chain_create_bb): Made subreg aware.
1509 (df_ru_bb_local_compute, df_rd_bb_local_compute,
1510 df_lr_bb_local_compute, df_lr_bb_local_compute,
1511 df_chain_create_bb): Cleanup to use proper macros.
1512 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
1513 code to fixup bitvectors.
1514 (df_ri_alloc): Cleared lifetime.
1515 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
1516 df_create_unused_note): New function.
1517 (df_ri_bb_compute, df_ri_compute): Added code to create/update
1518 REG_DEAD and REG_UNUSED notes as well as register information.
1519 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
1520 df_chains_dump): Fixed crash if problem was never run.
1521 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
1522 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
1523 df_ri_add_problem): Processes flags in uniform manner.
1524 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
1525 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
1526 df_rd_dump, df_urec_free_bb_info): Formatting changes.
1527 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
1528 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
1529 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
1530 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
1531 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
1532 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
1533 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
1534 * see.c (see_initialize_data): Ditto.
1535 * final.c (rest_of_clean_state) Added regstack_completed.
1536 * rtl.h (regstack_completed): Ditto.
1537 * reg-stack.c (regstack_completed): Ditto.
1539 2006-05-19 Mike Stump <mrs@apple.com>
1541 * c-tree.h (default_conversion): Remove.
1542 * c-common.h (default_conversion): Add.
1544 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
1546 * tree-vrp.c (valid_value_p): New function.
1547 (adjust_range_with_scev): Fail if the value of bound is not
1550 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1552 * config/mips/linux-unwind.h: Include <asm/unistd.h>
1553 (mips_fallback_frame_state): Use syscall numbers to determine
1554 the appropriate li instruction for the current ABI. Only use
1555 __NR_sigreturn for o32.
1557 2006-05-19 Nicolas Setton <setton@adacore.com>
1559 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
1560 * langhooks.c (lhd_dwarf_name): New function.
1561 * langhooks-def.h (lhd_dwarf_name): Declare.
1562 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
1563 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
1564 * ada/misc.c (gnat_dwarf_name): New function.
1565 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
1567 2006-05-19 Richard Sandiford <richard@codesourcery.com>
1569 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
1571 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
1572 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
1573 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
1574 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
1575 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
1576 determine the size of Wtype, etc.
1577 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
1578 (swfloatfuncs): New variable.
1579 (dwfloatfuncs): Likewise.
1580 (lib2funcs): Remove floating-point conversion functions from
1581 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
1582 the set of conversion routines needed. Allow entries to specify
1583 an object name, filename and word size. Update users accordingly.
1584 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
1585 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
1589 2006-02-08 Roger Sayle <roger@eyesopen.com>
1592 * config/fixtfdi.c: New libgcc source file.
1593 * config/fixunstfdi.c: New source file.
1594 * config/floatditf.c: New source file.
1595 * config/floatunditf.c: New souce file.
1596 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
1597 files above instead of config/mips/_tilib.c.
1598 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
1600 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1602 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
1603 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
1605 2006-05-18 Mike Stump <mrs@apple.com>
1607 Fix up vla, vm and [*] sematics.
1613 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
1614 (c_vla_unspec_p): Add.
1615 (c_vla_type_p): Add.
1616 * c-decl.c (struct c_scope): Add had_vla_unspec.
1617 (build_array_declarator): Add support for [*].
1618 (grokdeclarator): Likewise.
1619 (grokparms): Likewise.
1620 (get_parm_info): Likewise.
1621 * c-objc-common.c (c_vla_unspec_p): Likewise.
1622 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
1623 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
1624 typeof when argument is a variably modified type not inside sizeof or alignof.
1625 (c_parser_direct_declarator_inner): Propagate errors.
1626 (c_parser_sizeof_expression): Add support for [*].
1627 (c_parser_parms_declarator): Initialize had_vla_unspec.
1628 (c_parser_parms_list_declarator): Likewise.
1629 * c-typeck.c (c_vla_type_p): Add.
1630 (composite_type): Add support for vla compositing.
1631 (comptypes_internal): Add support for vla compatibility.
1632 (c_expr_sizeof_expr): Evaluate vla arguments.
1633 * tree.c (variably_modified_type_p): Update comment for [*].
1635 2006-05-18 Michael Matz <matz@suse.de>
1638 * config.host: Make assignments to host_xmake_file cumulative.
1639 * config.host (*-darwin*): Test $host, not $target.
1641 2006-05-12 Stuart Hastings <stuart@apple.com>
1643 * config/i386/i386.opt (-mstackrealign): New flag.
1644 * config/i386/i386.c (force_align_arg_pointer): New attribute.
1645 (ix86_handle_cconv_attribute): Emit error when
1646 force_align_arg_pointer attribute collides with too many regparms.
1647 (ix86_function_regparm): Limit regparms when used with
1648 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
1649 Support stack-realigning prologue in non-main functions. Emit
1650 warning for nested functions under -mstackrealign, emit error for
1651 nested functions with force_align_arg_pointer attribute.
1652 * doc/extend.texi (force_align_arg_pointer): Document it.
1653 * doc/invoke.texi (-mstackrealign): Document it.
1655 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
1657 PR rtl-optimization/27477
1658 * combine.c (try_combine): Don't split a parallel consisting
1659 of two sets into two individual sets if both sets reference
1662 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
1664 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
1665 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
1667 * doc/options.texi (VarExists): Updated.
1669 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1671 * unwind-dw2.c: Add declarations for uw_update_context and
1673 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
1674 detected, advance frame state and context once to skip over stub.
1676 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
1680 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
1681 Call rewrite_into_loop_closed_ssa only when something changed.
1682 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
1683 * lambda-code.c (can_convert_to_perfect_nest): Declared.
1684 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
1685 Test for perfect_nest_p here. Fix formating.
1686 (replace_uses_equiv_to_x_with_y): Fix formating.
1687 (stmt_uses_op): Removed.
1688 (can_convert_to_perfect_nest): Removed loopivs parameter.
1689 Complete the test by checking the scalar dependences.
1690 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
1693 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
1696 From Dan Kegel <dank@kegel.com>:
1697 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
1699 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
1701 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
1702 if the element type is variably modified without recursing.
1704 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
1707 * tree-loop-linear.c (try_interchange_loops): Test for
1708 no data dependences.
1710 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
1712 PR tree-optimization/27548
1713 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
1714 range of ssa names that appear on abnormal edges.
1715 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
1716 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
1718 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
1721 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
1723 2006-05-17 Jakub Jelinek <jakub@redhat.com>
1726 * tree.h (OMP_PARALLEL_COMBINED): Define.
1727 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
1728 (new_omp_context): Add is_combined_parallel argument.
1729 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
1730 new_omp_context caller.
1731 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
1732 Adjust gimplify_scan_omp_clauses callers.
1733 (omp_is_private): Issue errors if iteration variable is firstprivate
1734 or reduction in the current context.
1735 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
1736 on combined parallel workshare constructs.
1738 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1740 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
1741 (gcc-options.o): New rule.
1743 * optc-gen.awk: Protect variables for gcc-options.o with
1744 #ifdef GCC_DRIVER/#endif.
1746 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
1748 Fix PR tree-optimization/27373
1749 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
1750 (forward_propagate_addr_expr): Update call.
1752 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1754 * doc/options.texi: Move the Negative option.
1756 2006-05-16 Richard Guenther <rguenther@suse.de>
1758 PR tree-optimization/22303
1759 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
1761 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
1762 ccp_fold did not simplify the statement.
1764 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
1767 * Makefile.in (GCC_OBJS): New.
1768 (OBJS-common): Add opts-common.o.
1769 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
1770 (cpp$(exeext)): Likewise.
1771 (gcc.o): Also depend on opts.h.
1772 (opts-common.o): New.
1774 * common.opt (gcoff): Add Negative(gdwarf-2).
1775 (gdwarf-2): Add Negative(gstabs).
1776 (gstabs): Add Negative(gstabs+).
1777 (gstabs+): Add Negative(gvms).
1778 (gvms): Add Negative(gxcoff).
1779 (gxcoff): Add Negative(gxcoff+).
1780 (gxcoff+): Add Negative(gcoff).
1781 * config/i386/i386.opt (m32): Add Negative(m64).
1782 (m64): Add Negative(m32).
1784 * doc/options.texi: Document the Negative option.
1786 * gcc.c: Include "opts.h".
1787 (main): Call prune_options after expandargv.
1789 * optc-gen.awk: Generate common declarations for all flag
1790 variables in options.c. Output the neg_index field.
1792 * opts.c (find_opt): Moved to ...
1793 * opts-common.c: Here. New file.
1795 * opts.h (cl_option): Add a neg_index field.
1797 (prune_options): Likewise.
1799 2006-05-16 Jakub Jelinek <jakub@redhat.com>
1802 * omp-low.c (expand_omp_parallel): Don't assert
1803 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
1804 instead search for it.
1807 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
1810 2006-05-16 Andreas Schwab <schwab@suse.de>
1812 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
1815 2006-05-15 Roger Sayle <roger@eyesopen.com>
1818 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
1819 integer constants other than zero are only legitimate on TARGET_64BIT.
1820 <CONST_VECTOR> Only zero vectors are legitimate.
1821 (ix86_cannot_force_const_mem): Integral and vector constants can
1822 always be put in the constant pool.
1824 2006-05-16 DJ Delorie <dj@redhat.com>
1826 * crtstuff.c (__dso_handle): Set section from
1827 TARGET_LBIGCC_SDATA_SECTION if defined.
1828 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
1829 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
1831 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
1834 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
1837 2006-05-16 Ben Elliston <bje@au.ibm.com>
1839 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
1841 2006-05-15 Per Bothner <per@bothner.com>
1843 * tree.c: (last_annotated_node): Use source_locus typedef.
1844 This permits bootstrapping with --enable-mapped-location.
1846 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
1848 PR tree-optimization/26830
1849 * tree-into-ssa.c (struct ssa_name_info): Add age field.
1850 (info_for_ssa_name, current_info_for_ssa_name_age,
1851 blocks_to_update): New variables.
1852 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
1853 (clear_ssa_name_info, initialize_flags_in_bb,
1854 mark_block_for_update): New functions.
1855 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
1856 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
1857 prepare_def_site_for): Use mark_block_for_update.
1858 (mark_def_interesting): Assert that the processed block is marked in
1859 blocks_to_update. Do not take blocks argument.
1860 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
1862 (rewrite_update_init_block, rewrite_update_stmt): Only process
1863 blocks with statements to rewrite.
1864 (delete_update_ssa): Do not clear SSA_NAME_AUX.
1865 (update_ssa): Initialize and free blocks_to_update. Do not
1866 clear flags on statements. Do not use blocks bitmap.
1867 * tree.h (SSA_NAME_AUX): Removed.
1868 (struct tree_ssa_name): Removed aux field.
1869 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
1871 2006-05-15 Richard Guenther <rguenther@suse.de>
1873 PR tree-optimization/27603
1874 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
1875 Do computations in original type.
1877 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
1879 * see.c: Code style changes such as redundant paranthesis,
1880 redundant intialization of local variables etc.
1881 (see_main): Declared now as static.
1882 * doc/invoke.texi: Update that -fsee is not enabled by
1885 2006-05-15 Jakub Jelinek <jakub@redhat.com>
1887 * omp-low.c (check_omp_nesting_restrictions): New function.
1888 (scan_omp_1): Call it.
1891 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
1892 construct, return *VAR.
1894 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
1896 PR rtl-optimization/27406
1897 * bt-load.c (migrate_btr_def): Skip the block having abnormal
1900 2006-05-14 Roger Sayle <roger@eyesopen.com>
1902 PR rtl-optimization/27538
1903 * combine.c (expand_compound_operation): Call gen_lowpart
1904 before calling simplify_shift_const.
1906 2006-05-14 Roger Sayle <roger@eyesopen.com>
1908 PR rtl-optimization/22563
1909 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
1910 a fixed width bitfield, always force the intermediates into psuedos.
1912 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
1915 * mkconfig.sh: Use operator = instead of == for test.
1917 2006-05-13 Nick Clifton <nickc@redhat.com>
1919 * dwarf2out.c (dbx_reg_number): Check return value from
1920 LEAF_REG_REMAP and only use it if it is valid.
1921 (multiple_reg_loc_descriptor): Likewise.
1923 2006-05-13 Richard Guenther <rguenther@suse.de>
1925 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
1928 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
1930 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
1931 information attached to non-INSNs such as NOTEs.
1932 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
1934 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
1936 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
1938 * config/s390/s390.md: Adjust comment describing On constraint.
1940 2006-05-11 Jan Hubicka <jh@suse.cz>
1942 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
1943 to be output at -O0.
1945 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1948 * fold-const.c (size_binop): Move sanity check for arguments to
1949 the beginning of the function.
1952 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
1955 2006-05-11 Richard Guenther <rguenther@suse.de>
1958 * fold-const.c (fold_unary): Handle intermediate conversion
1959 to a pointer type like intermediate conversion to an integer
1960 type in folding of (T1)(T2)var to var.
1961 Match the code to the comment in the final conversion for
1962 (T1)(T2)var to (T1)var regarding to type precision. Rather
1963 than disallow T1 being of pointer type, assert that both T1
1964 and var are of pointer type or not. Make sure not to fall
1965 over the frontends lazyness wrt array to pointer decay though.
1967 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
1969 * arm.c (arm_struct_value_rtx): Delete.
1970 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
1971 (arm_init_cumulative_args): Always initialize nregs to zero.
1973 2006-05-10 Richard Guenther <rguenther@suse.de>
1975 PR tree-optimization/27532
1976 * tree-object-size.c (plus_expr_object_size): Fix typo.
1978 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
1981 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
1982 ashrdi_const, ashrdi3): Use a scratch register.
1984 2006-05-10 Richard Guenther <rguenther@suse.de>
1986 PR tree-optimization/27302
1987 * fold-const.c (operand_equal_p): For two comparisons,
1988 try comparison of one comparison code swapped if that yields
1991 2006-05-10 Ben Elliston <bje@au.ibm.com>
1993 * tree-pretty-print.c (pretty_print_string): No need to handle
1994 '\0' as a special character.
1996 * tree.h: Include "hashtab.h".
1997 (iterative_hash_expr): Use hashval_t in its prototype.
1998 * Makefile.in (TREE_H): Add $(HASHTAB_H).
2000 2006-05-09 Steve Ellcey <sje@cup.hp.com>
2003 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
2004 (hppa*64*-*-hpux11*): Ditto.
2005 (hppa[12]*-*-hpux11*): Ditto.
2007 2006-05-09 David Edelsohn <edelsohn@gnu.org>
2010 * config/rs6000/aix41.h (TARGET_64BIT): Define.
2012 2006-05-09 Michael Matz <matz@suse.de>
2014 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
2015 host_extra_gcc_objs and host_xmake_file.
2016 (<*-*-linux*>): Don't overwrite host_xmake_file.
2017 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
2018 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
2019 (host_detect_local_cpu): Declare.
2020 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
2021 * config/i386/i386.c (override_options): Handle -mtune=native
2023 * config/i386/x-i386: New file.
2024 * config/i386/driver-i386.c: New file.
2025 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
2028 2006-05-09 Dirk Mueller <dmueller@suse.de>
2029 Richard Guenther <rguenther@suse.de>
2032 * fold-const.c (fold_read_from_constant_string): Relax check
2033 for matching types to matching modes.
2035 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
2037 PR rtl-optimization/27335
2038 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
2041 2006-05-08 Chao-ying Fu <fu@mips.com>
2042 Richard Sandiford <richard@codesourcery.com>
2044 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
2045 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
2046 * config/mips/mips.md (UNSPEC_SCC): New constant.
2047 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
2048 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
2049 (mips_emit_compare): Use it.
2050 (mips_expand_vcondv2sf): New function.
2052 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
2054 Fix PR tree-optimization/27093
2055 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
2056 renaming when they become not-used_alone.
2058 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2060 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
2061 relocation and relocation stubs.
2063 2006-05-08 Eric Christopher <echristo@apple.com>
2065 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
2068 2006-05-08 Jan Hubicka <jh@suse.cz>
2071 * cgraphunit.c (decide_is_function_needed): When not optimizing even
2072 unused static functions are needed.
2074 2006-05-08 Roger Sayle <roger@eyesopen.com>
2077 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
2078 of a reg_equiv_constant if the result is a legitimate constant.
2080 2006-05-08 Uros Bizjak <uros@kss-loka.si>
2083 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
2084 standard 80387 constants, raise the cost to prevent
2085 compress_float_constant() to generate load from memory.
2087 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
2089 * config/arm/constraints.md (c): Fix a typo.
2091 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
2094 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
2097 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
2099 (_mm_mwait): Likewise.
2101 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
2103 (sse3_monitor): Make it 32bit only.
2104 (sse3_monitor64): New. 64bit monitor.
2106 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2109 * config/i386/i386.c (classify_argument): Skip fields with invalid
2112 2006-05-07 Richard Guenther <rguenther@suse.de>
2114 PR tree-optimization/27409
2115 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2116 Do not try to find zero-sized subvars.
2118 2006-05-07 Richard Guenther <rguenther@suse.de>
2120 PR tree-optimization/27136
2121 * tree-ssa-loop-niter.c (get_val_for): Correct function
2122 comment, assert requirements.
2123 (loop_niter_by_eval): Stop processing if the iterated
2124 value did not simplify.
2126 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
2128 * opts.c (flag_see): remove its setting at -O3.
2130 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
2132 * genpeep.c (main): Make insn-peep.c depend on flags.h.
2133 * arm/constraints.md: New file.
2134 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
2135 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
2136 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
2137 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
2138 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
2139 (EXTRA_MEMORY_CONSTRAINT): Likewise.
2140 * arm.md: Include constraints.md.
2141 (thumb_movsi_insn): Use satisfies_constraint_J.
2142 (movhi, movqi): Use satisfies_constraint_I.
2144 2006-04-29 Anatoly Sokolov <aesok@post.ru>
2146 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
2147 for atmeg a645 device.
2149 2006-05-06 Richard Guenther <rguenther@suse.de>
2151 PR tree-optimization/27151
2152 * tree-vect-transform.c (vectorizable_condition): Punt on
2153 values that have a different type than the condition.
2155 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
2158 * c-parser.c (c_parser_cast_expression): Only insert casts into
2159 hash table if pointer.
2160 * function.c (used_types_insert_helper): Rename from
2162 (used_types_insert): Call used_types_insert_helper.
2163 * function.h (used_types_insert): Accept only one argument.
2165 2006-05-05 David Edelsohn <edesohn@gnu.org>
2167 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
2168 scratch with output modifier.
2170 2006-05-04 David Edelsohn <edelsohn@gnu.org>
2173 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
2174 with output modifier.
2176 2006-05-04 Richard Sandiford <richard@codesourcery.com>
2179 * config/mips/mips.c (mips_symbolic_address_p): Return true
2180 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
2181 SYMBOL_GOTTPREL, and SYMBOL_TLS.
2183 2006-05-04 Richard Guenther <rguenther@suse.de>
2185 PR tree-optimization/14287
2186 PR tree-optimization/14844
2187 PR tree-optimization/19792
2188 PR tree-optimization/21608
2189 PR tree-optimization/27090
2190 * tree-ssa-pre.c (try_combine_conversion): New function.
2191 (compute_avail): After constructing the value-handle
2192 expression, use try_combine_conversion to combine NOP_EXPRs
2193 with previous value-handle expressions and use the result if it
2196 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
2198 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
2200 2006-05-04 Jan Hubicka <jh@suse.cz>
2203 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
2205 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
2207 * config/bfin/predicates.md (const01_rtx): Tell generator programs
2208 that this only matches CONST_INTs. All users changed to VOIDmode
2211 * config/bfin/bfin.c: Include "optabs.h".
2212 (bfin_rtx_costs): Some costs for vector operations, to allow combine
2214 (enum bfin_builtins): Add a number of fractional and vector builtins.
2215 (bfin_init_builtins): Likewise.
2216 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
2217 (safe_vector_operand, bfin_expand_binop_builtin,
2218 bfin_expand_unop_builtin): New functions.
2219 (bfin_expand_builtin): Handle the new builtins.
2220 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
2223 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
2226 * Makefile.in (OBJS-common): Add see.o.
2227 (see.o): Add dependencies.
2228 * common.opt (fsee): New flag for the see optimization was added.
2229 * opts.c (flag_see): Initialized.
2230 * passes.c (init_optimization_passes, pass_see): New pass.
2231 * rtl.h (see_main): Declaration as extern.
2232 * timevar.def (TV_SEE): New.
2233 * tree-pass.h (pass_see): Declaration as extern.
2234 * invoke.texi (-fsee): Document.
2235 * recog.c (validate_simplify_insn): New function.
2236 * recog.h (validate_simplify_insn): Declaration as extern.
2237 * df-problems.c (df_chain_dump): Check for NULL.
2239 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
2240 Daniel Berlin <dberlin@dberlin.org>
2242 * cfgrtl.c (insert_insn_bb_end_new): New function.
2243 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
2245 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
2247 * df.h (struct web_entry): Moved from web.c.
2248 (union_defs): Declaration as extern.
2249 (unionfind_root): Likewise.
2250 (unionfind_union): Likewise.
2251 * web.c (struct web_entry): Moved to df.h.
2252 (unionfind_root): Remove static declaration.
2253 (unionfind_union): Likewise.
2254 (union_defs): Likewise and generalize to use callback function.
2255 (web_main): Update arguments for union_defs function call.
2257 2006-05-04 Richard Guenther <rguenther@suse.de>
2259 PR tree-optimization/26447
2260 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
2261 produce SSA_NAME copies before the store stmt to avoid
2262 breaking exception handling.
2264 2006-05-04 Jakub Jelinek <jakub@redhat.com>
2267 * gimplify.c (omp_is_private): If var is shared in some outer context,
2268 return false instead of true. Stop searching on parallel context
2271 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
2274 * coverage.c: Use get_gcov_unsigned_t() instead of
2275 unsigned_type_node all over.
2277 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
2279 PR tree-optimization/27381
2280 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
2281 maintain the same immediate_use links.
2282 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
2283 node rather than segfaulting.
2285 2006-05-03 Jakub Jelinek <jakub@redhat.com>
2288 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
2289 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
2290 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
2292 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
2294 Fix PR tree-optimization/26626
2295 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
2297 * tree-ssa-operands.c (access_can_touch_variable): Allow
2298 typecasting through union pointers.
2300 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2303 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
2304 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
2305 to find if var will be a global variable even in the nested context.
2306 (omp_copy_decl): Only check for global variable at the end, it might
2307 be overridden in outer contexts.
2308 (scan_sharing_clauses): For global variables don't create a field.
2309 (lower_rec_input_clauses): Do nothing for global shared variables.
2310 Emit a barrier at the end of ILIST if there were any decls in both
2311 firstprivate and lastprivate clauses.
2312 (lower_send_clauses): Do nothing for global variables except for
2315 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
2317 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
2318 of the correct signedness is returned.
2320 2006-05-02 Jeff Law <law@redhat.com>
2322 PR tree-optimization/27364
2323 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
2324 multiply expressions.
2326 2006-05-02 Tom Tromey <tromey@redhat.com>
2328 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
2330 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
2333 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
2334 -mthumb -fPIC are used.
2336 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
2337 Joshua Kinard <kumba@gentoo.org>
2340 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
2341 with 64-bit pointers.
2343 2006-05-02 Paul Brook <paul@codesourcery.com>
2345 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
2347 (create_fix_barrier): Check that a suitable barrier location is
2349 (arm_reorg): Include ftmp->address in allowable range of addresses.
2351 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
2354 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
2357 2006-05-02 Jakub Jelinek <jakub@redhat.com>
2360 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
2361 around RESULT_DECL for result passed by reference.
2362 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
2363 * omp-low.c (use_pointer_for_field): Don't look at
2364 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
2365 (scan_omp_1): Call remap_decl on RESULT_DECLs.
2366 (lower_rec_input_clauses): Don't allocate VLA memory for the second
2367 time or var for passing by reference for
2368 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
2369 TREE_ADDRESSABLE variables when passing by reference.
2371 * omp-low.c (dump_omp_region): Fix output formatting.
2374 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
2375 (expand_omp_parallel): Likewise.
2376 * tree-cfg.c (move_sese_region_to_fn): Likewise.
2379 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
2380 on statement list containing also constructors and destructors.
2381 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
2384 * except.c (duplicate_eh_regions): Fix clearing of
2385 cfun->eh->region_array entries.
2387 2006-05-01 DJ Delorie <dj@redhat.com>
2389 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
2391 (gcc_cv_objdump): Likewise.
2392 * configure: Regenerated.
2394 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
2397 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
2398 templates for case 3 and 4.
2400 2006-05-01 DJ Delorie <dj@redhat.com>
2402 * vec.c: Include bconfig.h when appropriate.
2403 * Makefile.in (build/vec.o): Adjust dependencies.
2404 * mkconfig.sh: Make sure config.h isn't used for build machine
2407 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2409 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
2411 (mark_phi_for_rewrite): New function.
2412 (insert_phi_nodes_for, mark_use_interesting): Call
2413 mark_phi_for_rewrite.
2414 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
2415 (update_ssa): Initialize and free phis_to_rewrite.
2417 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2419 PR rtl-optimization/27291
2420 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
2421 folded to a constant.
2423 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2425 PR tree-optimization/27283
2426 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
2427 not whole # of iteration descriptions.
2428 (niter_for_exit): Return just # of iterations. Fail if # of iterations
2429 uses abnormal ssa name.
2430 (niter_for_single_dom_exit): Ditto.
2431 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
2432 return just the number of iterations.
2434 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
2436 PR tree-optimization/27144
2437 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
2438 (record_estimate): Only record constant upper bound.
2439 (infer_loop_bounds_from_undefined): Call
2440 compute_estimated_nb_iterations just once.
2441 (proved_non_wrapping_p): Renamed to ...
2442 (n_of_executions_at_most): ... this. Expect bound to be a constant.
2443 (convert_step_widening, scev_probably_wraps_p): Call
2444 n_of_executions_at_most instead of proved_non_wrapping_p.
2445 (substitute_in_loop_info): Do not replace values in bounds.
2446 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
2449 2006-05-01 Richard Henderson <rth@redhat.com>
2452 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
2453 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
2456 2006-05-01 Roger Sayle <roger@eyesopen.com>
2458 * c-typeck.c (parser_build_binary_op): Don't call the function
2459 unsigned_conversion_warning to spot operand/result type overflow.
2460 (build_binary_op): Instead, call convert_and_check instead of
2461 convert to report the problem when the operands are promoted.
2462 * c-common.c (unsigned_conversion_warning): Make static.
2463 * c-common.h (unsigned_conversion_warning): Delete prototype.
2465 2006-05-01 Richard Guenther <rguenther@suse.de>
2467 PR tree-optimization/26726
2468 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
2470 (find_interesting_uses_address): ... we work around here
2471 by folding INDIRECT_REFs in the substituted base.
2473 2006-05-01 Diego Novillo <dnovillo@redhat.com>
2475 * omp-low.c (dump_omp_region): Add newlines.
2477 2006-04-30 Roger Sayle <roger@eyesopen.com>
2479 * common.opt (Woverflow): New command line option.
2480 * c-common.c (constant_expression_warning): Check warn_overflow.
2481 (overflow_waring): Pass OPT_Woverflow to warning.
2482 (unsigned_conversion_warning): Likewise.
2483 (convert_and_check): Likewise.
2484 * doc/invoke.texi: Document new command line option.
2486 2006-04-30 David Edelsohn <edelsohn@gnu.org>
2488 * config/rs6000/rs6000.c (rs6000_override_options): Enable
2489 TARGET_NO_FP_IN_TOC for section anchors.
2490 (optimization_options): Enable section anchors for all
2491 non-"Objective" languages.
2493 2006-04-28 Eric Christopher <echristo@apple.com>
2495 * config/darwin-c.c (darwin_ms_struct): Move this
2496 (darwin_set_default_type_attributes): and this...
2497 * config/darwin.c: ... here.
2498 * config/darwin.h (darwin_ms_struct): Declare.
2500 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
2502 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
2504 2006-04-28 Roger Sayle <roger@eyesopen.com>
2507 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
2508 (push_array_bounds): Delete prototype. Change BOUNDS argument to
2509 an unsigned HOST_WIDE_INT.
2510 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
2512 (really_start_incremental_init): No need to call convert because
2513 bitsize_zero_node is already of type bitsizetype.
2514 (push_init_level): Extract the value of constructor_index as an
2515 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
2516 (process_init_element): Likewise.
2518 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
2520 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
2521 value before passing to make_relative_prefix.
2523 2006-04-28 Alan Modra <amodra@bigpond.net.au>
2526 * builtins.c (expand_builtin_memset): Expand val in original mode.
2528 2006-04-27 Eric Christopher <echristo@apple.com>
2530 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
2531 with #ifndef/#endif.
2532 * config/darwin-c.c (darwin_ms_struct): New.
2533 (darwin_pragma_ms_struct): Ditto.
2534 (darwin_set_default_type_attributes): Ditto.
2535 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
2536 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
2537 Register ms_struct pragma.
2538 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
2539 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
2540 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
2541 darwin_set_default_type_attributes if TARGET_MACHO.
2543 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
2545 PR tree-optimization/26854
2546 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
2547 * doc/tree-ssa.texi: Update immuse iterator documentation.
2548 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
2549 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
2550 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
2551 first_safe_imm_use, next_safe_imm_use): Remove.
2552 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
2553 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
2554 (move_use_after_head): New. Helper function to sort immuses in a stmt.
2555 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
2556 (first_imm_use_stmt): New. Get first stmt in an immuse list.
2557 (next_imm_use_stmt): New. Get next stmt in an immuse list.
2558 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
2559 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
2560 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
2561 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
2562 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
2563 (perfect_nestify): Use new iterator.
2564 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
2566 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
2567 (next_imm_name): New field in struct immediate_use_iterator_d.
2568 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
2569 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
2570 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
2571 * tree-cfg.c (replace_uses_by): Use new iterator.
2572 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
2573 * tree-ssa-operands.c (correct_use_link): Remove.
2574 (finalize_ssa_use_ops): No longer call correct_use_link.
2576 2006-04-27 Stuart Hastings <stuart@apple.com>
2578 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
2579 * config/t-darwin (crt3.o): Use it.
2580 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
2581 'pmode', use Pmode instead of SImode for SYMBOL_REF.
2582 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
2583 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
2584 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
2587 2006-04-27 Roger Sayle <roger@eyesopen.com>
2589 * expmed.c (store_fixed_bit_field): If we're not optimizing for
2590 size, force the intermediate into a new pseudo rather instead of
2591 performing both a bitwise AND and a bitwise IOR in memory.
2593 2006-04-27 Richard Guenther <rguenther@suse.de>
2595 PR rtl-optimization/26685
2596 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
2597 this one "max-flow-memory-locations".
2599 2006-04-27 Richard Guenther <rguenther@suse.de>
2601 PR tree-optimization/25148
2602 * tree-vrp.c (compare_values): Remove code dealing with
2603 comparisons against type min/max value. Honour overflow
2604 and negative constants in code dealing with comparisons
2605 of plus and minus expressions.
2606 (value_inside_range): Use fold_binary with LE_EXPR and
2607 GE_EXPR rather than compare_values.
2609 2006-04-27 Dirk Mueller <dmueller@suse.de>
2611 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
2614 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
2616 * basic-block.h (safe_insert_insn_on_edge): Removed.
2617 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
2619 2006-04-26 David Edelsohn <edelsohn@gnu.org>
2620 Paolo Bonzini <bonzini@gnu.org>
2623 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
2624 (simplify_and_const_int): Same.
2626 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
2628 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
2630 2006-04-26 Jakub Jelinek <jakub@redhat.com>
2633 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
2634 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
2635 cgraph_global_info_ready.
2638 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
2641 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
2642 either decl or init is error_mark_node.
2645 * tree-flow.h (struct omp_region): Add sched_kind.
2646 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
2647 instead of extracting omp for data.
2648 (expand_omp_for): Save extracted sched_kind.
2650 2006-04-25 Roger Sayle <roger@eyesopen.com>
2652 * expmed.c (store_bit_field): Also check whether the bitsize is
2653 valid for the machine's "insv" instruction before moving the
2654 target into a pseudo for use with the insv.
2655 * config/i386/predicates.md (const8_operand): New predicate.
2656 * config/i386/i386.md (extv, extzv, insv): Use the new
2657 const8_operand predicate where appropriate.
2659 2006-04-25 DJ Delorie <dj@redhat.com>
2661 * doc/install.texi (Specific): Clarify that this is not a list of
2662 supported hosts or targets.
2664 2006-04-25 Richard Sandiford <richard@codesourcery.com>
2666 PR rtl-optimization/26725
2667 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
2668 block's BB_DIRTY flag.
2670 2006-04-25 Geoffrey Keating <geoffk@apple.com>
2672 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
2675 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
2676 to print an integer.
2678 2006-04-25 David Edelsohn <edelsohn@gnu.org>
2680 * varasm.c (align_variable): New function.
2681 (get_block_for_decl): Apply align_variable to DECL before
2682 calculating section information.
2683 (assemble_variable): Split out alignment computation.
2685 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
2687 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
2690 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
2692 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
2693 MODE_PARTIAL_INT mode.
2694 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
2695 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
2697 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
2698 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
2700 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
2702 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
2704 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
2705 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
2706 MACFLAG_IH): Likewise.
2707 (movstricthi_1): Renamed from "*movstricthi".
2708 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
2709 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
2710 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
2711 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
2712 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
2713 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
2714 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
2715 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
2716 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
2717 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
2718 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
2719 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
2720 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
2721 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
2722 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
2724 * doc/rtl.texi (ss_ashift): Improve wording.
2726 2006-04-24 Geoffrey Keating <geoffk@apple.com>
2728 * dwarf2out.c (verify_marks_clear): New.
2729 (prune_unused_types): Call verify_marks_clear initially, not
2732 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
2734 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
2735 * doc/rtl.texi: Document them.
2736 * simplify-rtx.c (simplify_unary_operation,
2737 simplify_binary_operation_1): Don't abort when we see them.
2739 2006-04-24 Mark Mitchell <mark@codesourcery.com>
2742 2006-04-23 Mark Mitchell <mark@codesourcery.com>
2743 * configure.ac: Completely disregard languages that are not
2745 * configure: Regenerated.
2747 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
2748 Richard Guenther <rguenther@suse.de>
2750 PR tree-optimization/27236
2751 * tree-inline.c (copy_body_r): Make sure to copy
2752 TREE_THIS_VOLATILE flag.
2754 2006-04-24 Richard Guenther <rguenther@suse.de>
2757 * tree-complex.c (update_parameter_components): Don't handle
2758 unused parameters which have no default def.
2760 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
2761 Richard Guenther <rguenther@suse.de>
2763 PR tree-optimization/27218
2764 * tree-inline.c (expand_call_inline): Strip useless type
2765 conversions for the return slot address.
2767 2006-04-24 Richard Guenther <rguenther@suse.de>
2769 * cfgloop.h (struct loops): Remove unused field array. Reorder
2771 (LOOP_PREFETCH): Remove.
2773 2006-04-24 Richard Guenther <rguenther@suse.de>
2775 PR tree-optimization/22525
2776 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
2777 variable, adjust types of generated expressions.
2779 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
2781 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
2782 (tree-vect-patterns.o): Likewise.
2784 (cselib.o): Likewise.
2785 (loop-doloop.o): Likewise.
2786 (regclass.o): Likewise.
2787 (reload1.o): Likewise.
2788 (explow.o): Replace target.h with $(TARGET_H).
2789 (ipa-prop.o): Likewise.
2790 (ipa-cp.o): Likewise.
2791 (ipa-inline.o): Likewise.
2792 (reorg.o): Likewise.
2793 (reg-stack.o): Likewise.
2795 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
2797 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
2799 2006-04-23 Mark Mitchell <mark@codesourcery.com>
2801 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
2803 * configure.ac: Completely disregard languages that are not
2805 * configure: Regenerated.
2808 * c-common.h (c_build_bitfield_integer_type): Declare.
2809 * c-decl.c (c_build_bitfield_integer_type): Move to ...
2810 * c-common.c (c_build_bitfield_integer_type): ... here.
2812 2006-04-23 Roger Sayle <roger@eyesopen.com>
2815 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
2816 a SImode SUBREG of a floating point register after no_new_pseudos.
2818 2006-04-23 Roger Sayle <roger@eyesopen.com>
2820 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
2821 identify potentially eliminable registers to additionally catch
2822 VIRTUAL_INCOMING_ARGS_REGNUM.
2823 (addsi3): Update the conditions on when to use addsi_small_int.
2825 2006-04-23 Roger Sayle <roger@eyesopen.com>
2828 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
2829 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
2830 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
2832 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
2834 * fold-const.c (range_predecessor): Use operand_equal_p
2835 as the predicate for equality.
2836 (range_successor): Likewise.
2838 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
2841 * config/soft-fp/op-common.h: Fix a typo.
2843 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
2846 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
2847 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
2849 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
2851 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
2853 * doc/tm.texi: Fix a typo.
2855 2006-04-21 Geoffrey Keating <geoffk@apple.com>
2857 * dwarf2out.c (struct die_struct): Document that die_sib makes
2858 a circular linked list.
2859 (FOR_EACH_CHILD): New.
2860 (reverse_die_lists): Delete.
2861 (reverse_all_dies): Delete.
2862 (add_dwarf_attr): Correct documentation.
2863 (remove_child_with_prev): New.
2864 (remove_child_TAG): Update for change to die_struct, use
2865 remove_child_with_prev.
2866 (add_child_die): Update for change to die_struct.
2867 (splice_child_die): Use remove_child_with_prev and add_child_die.
2868 (print_die): Use FOR_EACH_CHILD.
2869 (die_checksum): Likewise.
2870 (assign_symbol_names): Likewise.
2871 (output_location_lists): Likewise.
2872 (build_abbrev_table): Likewise.
2873 (calc_die_sizes): Likewise.
2874 (mark_dies): Likewise.
2875 (unmark_dies): Likewise.
2876 (unmark_all_dies): Likewise.
2877 (output_die): Likewise.
2878 (prune_unused_types_mark): Likewise.
2879 (prune_unused_types_walk): Likewise.
2880 (same_die_p): Update for change to die_struct.
2881 (break_out_includes): Likewise.
2882 (prune_unused_types_prune): Likewise.
2883 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
2884 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
2886 (dwarf2out_finish): Don't call reverse_all_dies.
2888 2006-04-21 Eric Christopher <echristo@apple.com>
2890 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
2891 in comments and function names.
2893 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2896 * c-typeck.c (digest_init): Robustify.
2898 * c-typeck.c (pop_init_level): Simplify.
2900 2006-04-21 Steve Ellcey <sje@cup.hp.com>
2902 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
2904 2006-04-21 Paul Brook <paul@codesourcery.com>
2906 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
2907 hardware floating point.
2909 2006-04-21 David Edelsohn <edelsohn@gnu.org>
2911 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
2914 2006-04-21 Nick Clifton <nickc@redhat.com>
2916 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
2919 2006-04-21 Alan Modra <amodra@bigpond.net.au>
2922 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
2923 C++ lang type in traceback table for Objective-C++.
2925 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
2927 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
2929 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
2931 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2934 * tree-mudflap.c (mudflap_finish_file): Skip function when there
2935 were errors. Remove check for erroneous objects.
2937 2006-04-20 Jeff Law <law@redhat.com>
2939 PR tree-optimization/26854
2940 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
2941 checking for zero or one use.
2942 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
2943 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
2944 * tree-ssa-reassoc.c (negate_value): Similarly.
2945 (reassociate_bb): Similarly.
2947 2006-04-20 Jakub Jelinek <jakub@redhat.com>
2949 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
2950 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
2951 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
2953 2006-04-20 Alan Modra <amodra@bigpond.net.au>
2955 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
2956 fp regs if the last fp arg doesn't fit in regs.
2958 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
2961 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
2962 that the last insn has the REG_INC note.
2964 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
2965 Nathan Sidwell <nathan@codesourcery.com>
2968 * stor-layout.c (update_alignment_for_field): Do not align
2970 (place_union_field): Place union field at the start of the union.
2971 (place_field): Move ERROR_MARK check later, and use the current
2972 allocation position to maintain monotonicity.
2974 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
2976 * dominance.c: Include timevar.h.
2977 (calculate_dominance_info): Use TV_DOMINANCE.
2978 * timevar.def (TV_DOMINANCE): New timevar.
2979 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
2981 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
2983 PR rtl-optimization/14261
2984 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
2985 move would be an INSV insn.
2986 (noce_process_if_block): Don't optimize if the destination is a
2987 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
2989 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
2991 * config/s390/s390.md: Add comments with the instructions emitted
2992 by an insn pattern if macros are used.
2994 2006-04-19 Alan Modra <amodra@bigpond.net.au>
2996 PR rtl-optimization/26026
2997 * fold-const.c (fold_binary): Optimize div and mod where the divisor
2998 is a known power of two shifted left a variable amount.
3000 2006-04-18 Geoffrey Keating <geoffk@apple.com>
3002 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
3003 to hash table twice when the debug_str section has SECTION_MERGE.
3005 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
3007 * config/soft-fp: New directory. From glibc.
3008 * config/soft-fp/t-softfp: New.
3009 * config/soft-fp/README: New.
3010 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
3011 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
3012 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
3013 (LIBGCC_DEPS): Add $(SFP_MACHINE).
3014 * config.gcc: Use rs6000/t-fprules-fpbit or
3015 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
3017 * config/rs6000/sfp-machine.h: New. Based on glibc.
3018 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
3020 * config/rs6000/t-fprules: Remove fp-bit rules.
3021 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
3022 * config/rs6000/t-linux64: Likewise. Remove duplicates from
3023 LIB2FUNCS_EXTRA. Remove fp-bit rules.
3024 (softfp_wrap_start, softfp_wrap_end): New.
3026 2006-04-18 DJ Delorie <dj@redhat.com>
3028 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
3030 2006-04-18 Devang Patel <dpatel@apple.com>
3032 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
3034 2006-04-18 Nick Clifton <nickc@redhat.com>
3036 * config/sh/t-symbian: Add rule to build sh-c.o
3037 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
3038 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
3039 (sh_symbian_encode_section_info): Likewise.
3041 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
3043 * builtins.c (expand_builtin_strcmp): Cover label definition of
3044 do_libcall with HAVE_cmpstrnsi.
3046 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
3048 * function.c (temp_slots_at_level, max_slot_level): Use VEC
3050 * function.h (temp_slot_p): New.
3051 (function): Change the type of x_used_temp_slots to
3052 VEC(temp_slot_p,gc) *.
3054 2006-04-18 Nick Clifton <nickc@redhat.com>
3056 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
3057 flag_strength_reduce.
3059 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
3061 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3065 Partial revert of revision 112637
3066 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3067 Dale Johannesen <dalej@apple.com>
3070 * regclass.c (struct reg_pref): Update documentation.
3071 (regclass): Set prefclass to NO_REGS if memory is the best option.
3072 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3074 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
3076 PR tree-optimization/26821
3077 * tree-ssa-math-opts.c (get_constant_one): New.
3078 (insert_reciprocals): Use it.
3080 2006-04-17 Geoffrey Keating <geoffk@apple.com>
3082 * dwarf2out.c (free_AT): Delete.
3083 (remove_AT): Update string ref counts.
3084 (remove_child_TAG): Don't call free_die.
3086 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
3087 or DW_TAG_GNU_EINCL.
3088 (prune_unused_types_walk_attribs): Reset string refcounts.
3089 (prune_unused_types_update_strings): New.
3090 (prune_unused_types_prune): Don't make unnecessary stores. Don't
3091 call free_die. Do call prune_unused_types_update_strings.
3092 (prune_unused_types): Empty debug_str_hash.
3094 2006-04-17 Roger Sayle <roger@eyesopen.com>
3096 * expr.c (expand_assignment): Optimize away no-op moves where the
3097 source and destination are equal and have no side-effects.
3099 2006-04-17 Richard Guenther <rguenther@suse.de>
3102 * reload.c (push_reload): Guard calls to get_secondary_mem
3105 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
3107 * alias.c (reg_base_value, old_reg_base_value): Change the
3108 type to VEC(rtx,gc) *.
3109 (REG_BASE_VALUE, find_base_value, record_set,
3110 init_alias_analysis): Use VEC instead of VARRAY.
3112 * alias.c (alias_sets): Change the type to
3113 VEC(alias_set_entry,gc) *.
3114 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
3115 VEC instead of VARRAY.
3116 (last_alias_set): Remove.
3118 * cgraph.h (cgraph_edge_p): New.
3119 Update the prototype of cgraph_function_versioning.
3120 * cgraphunit.c (cgraph_copy_node_for_versioning,
3121 cgraph_function_versioning): Use VEC instead of VARRAY.
3122 * ipa-cp.c (ipcp_insert_stage): Likewise.
3124 2006-04-16 Roger Sayle <roger@eyesopen.com>
3127 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
3128 "A op B" or "A op C", we may need to convert A to the type of B and C.
3130 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
3132 * target.h (struct gcc_target): Add mode_rep_extended.
3133 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
3134 (init_num_sign_bit_copies_in_rep): Initialize it using
3136 (truncate_to_mode): Use it.
3137 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
3138 * targhooks.h (default_mode_rep_extended): Declare it.
3139 * targhooks.c (default_mode_rep_extended): Define it.
3140 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
3141 default_mode_rep_extended.
3142 (TARGET_INITIALIZER): Include it.
3143 * doc/tm.texi (Misc): Document it.
3144 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
3145 (mips_truncated_to_mode): New function.
3147 2006-04-16 Roger Sayle <roger@eyesopen.com>
3150 * expr.c (compress_float_constant): Copy the narrow constant into
3151 a new pseudo before extending it to its final width.
3153 2006-04-16 Roger Sayle <roger@eyesopen.com>
3154 Andrew Pinski <pinskia@gcc.gnu.org>
3155 Dale Johannesen <dalej@apple.com>
3158 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
3159 special case code to implement V8HImode and V16QImode with SSE2.
3161 2006-04-15 Roger Sayle <roger@eyesopen.com>
3163 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
3164 trees are constructed with a suitable tree type.
3166 2006-04-15 Roger Sayle <roger@eyesopen.com>
3168 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
3169 (integer_onep): Likewise.
3170 (integer_all_onesp): Likewise.
3171 (integer_pow2p): Likewise.
3172 (integer_nonzerop): Likewise.
3173 (real_zerop): Likewise.
3174 (real_onep): Likewise.
3175 (real_twop): Likewise.
3176 (real_minus_onep): Likewise.
3177 (int_size_in_bytes): Likewise.
3178 (host_integerp): Likewise.
3180 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
3182 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
3183 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
3184 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
3186 * tree-ssa-structalias.h (alias_info): Remove num_references.
3188 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3190 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
3191 (output_bvb patterns): Likewise.
3192 * pa.c (output_bb): Use 'bb' insn for long branch case.
3193 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
3194 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
3195 1. Correct length operand for alternatives 1 and 2.
3196 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
3197 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
3199 2006-04-14 Roger Sayle <roger@eyesopen.com>
3201 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
3202 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
3203 were accidentally reverted by r112959.
3205 2006-04-15 Jakub Jelinek <jakub@redhat.com>
3208 * except.h (eh_region_outermost): New prototype.
3209 * except.c (eh_region_outermost): New function.
3210 * tree-cfg.c (find_outermost_region_in_block): Use it.
3212 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3214 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
3216 * reload1.c (reg_equiv_memory_loc_varray): Rename to
3217 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
3218 (init_reload, reload): Use VEC instead of VARRAY.
3219 * reload.h: Update the prototype for
3220 reg_equiv_memory_loc_varray.
3222 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
3223 Eric Botcazou <ebotcazou@libertysurf.fr>
3225 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
3228 2005-04-13 Uros Bizjak <uros@kss-loka.si>
3231 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
3232 to expand fallback builtin function call.
3234 2006-04-14 Alan Modra <amodra@bigpond.net.au>
3237 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
3238 and emit libcall here in case the builtin fails.
3239 (expand_builtin_strcmp): Always emit the libcall here on failure.
3241 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
3243 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
3244 * flow.c (reg_n_info): Change the type to
3245 VEC(reg_info_p,heap) *.
3246 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
3248 * regs.h (reg_info_p): New.
3249 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
3250 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
3251 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
3254 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
3256 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
3258 * params.h (MAX_SCHED_READY_INSNS): New macro.
3259 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
3260 past MAX_SCHED_READY_INSNS during the first scheduling pass.
3261 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
3262 the ready list for 1 cycle during the first scheduling pass.
3263 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
3265 2006-04-13 Richard Henderson <rth@redhat.com>
3268 * gimple-low.c (lower_omp_directive): Remove dead code.
3269 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
3270 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
3271 * omp-low.c (struct omp_region): Move to tree-flow.h.
3272 (root_omp_region): Export.
3273 (omp_regions, lookup_omp_region): Remove.
3274 (determine_parallel_type): Update for struct omp_region changes.
3275 (dump_omp_region): Dump regions with block numbers.
3276 (new_omp_region): Take type and block instead of stmt; malloc
3278 (free_omp_region_1, free_omp_regions): New.
3279 (expand_parallel_call): Take entry_stmt as argument; update for
3280 changes to omp_region.
3281 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
3282 (remove_exit_barriers): New.
3283 (expand_omp_parallel): Update for struct omp_region changes.
3284 (expand_omp_synch): Likewise.
3285 (expand_omp): Likewise.
3286 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
3287 (expand_omp_for_static_chunk): Likewise.
3288 (expand_omp_for): Likewise.
3289 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
3290 (expand_omp_sections): Similarly, with GOMP_sections_end.
3291 (expand_omp_single): New.
3292 (build_omp_regions_1): Update for OMP_CONTINUE.
3293 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
3294 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
3295 OMP_SECTIONS_SECTIONS.
3296 (lower_omp_single_simple): Don't emit barrier here.
3297 (lower_omp_single_copy): Likewise.
3298 (lower_omp_single): Fix bindings, and lower to straightline now.
3299 (lower_omp_master, lower_omp_ordered): Likewise.
3300 (lower_omp_critical): Likewise.
3301 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
3302 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
3303 omp edges, free it afterward.
3304 (make_omp_sections_edges): Remove.
3305 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
3306 (move_stmt_r): Handle OMP_CONTINUE.
3307 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
3308 statement pointers to basic blocks. Add type member.
3309 (root_omp_region, new_omp_region, free_omp_regions): Declare.
3310 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
3311 * tree-inline.c (estimate_num_insns_1): Likewise.
3312 * tree-pretty-print.c (dump_generic_node): Likewise.
3313 * tree-ssa-operands.c (get_expr_operands): Likewise.
3314 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
3315 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
3316 (OMP_CONTINUE): New.
3317 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
3318 (OMP_SECTIONS_SECTIONS): Remove.
3319 (OMP_SECTION_LAST): New.
3320 (OMP_RETURN_NOWAIT): New.
3322 2006-04-13 Roger Sayle <roger@eyesopen.com>
3324 * fold-const.c (native_encode_vector, native_interpret_real):
3325 Correct obvious mistakes in the previous check-in.
3327 2006-04-13 Roger Sayle <roger@eyesopen.com>
3329 * fold-const.c (native_encode_expr): New function to encode
3330 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
3331 or VECTOR_CST into a specified buffer.
3332 (native_encode_int): New function.
3333 (native_encode_real): New function.
3334 (native_encode_complex): New function.
3335 (native_encode_vector): New function.
3336 (native_interpret_expr): Inverse of native_encode_expr to convert
3337 a target representation into an INTEGER_CST, REAL_CST etc...
3338 (native_interpret_int): New function.
3339 (native_interpret_real): New function.
3340 (native_interpret_complex): New function.
3341 (native_interpret_vector): New function.
3342 (fold_view_convert_expr): New function to constant fold/evaluate
3343 a VIEW_CONVERT_EXPR of a suitable constant expression.
3344 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
3345 Change call of build1 to fold_build1 when constructing a
3348 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
3349 Ulrich Weigand <uweigand@de.ibm.com>
3352 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
3355 2006-04-13 Alan Modra <amodra@bigpond.net.au>
3358 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
3359 optimize to lo_sum for DFmode if !TARGET_FPRS.
3361 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3363 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
3364 delete_alias_info, compute_flow_sensitive_aliasing,
3365 group_aliases): Use VEC instead of VARRAY.
3366 * tree-ssa-structalias.c (update_alias_info): Likewise.
3367 * tree-ssa-structalias.h (alias_info): Change the type of
3368 processed_ptrs to VEC(tree,heap) *.
3370 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
3373 * config/sh/lib1funcs.h: New file, broken out of:
3374 * config/sh/lib1funcs.asm.
3375 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
3377 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
3378 * config/sh/lib1funcs-Os-4-200.asm: New file.
3379 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
3380 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
3381 (EXTRA_MULTILIB_PARTS): Include it.
3382 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
3383 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
3384 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
3385 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
3388 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
3390 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
3391 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
3392 tpa_compact, root_var_init, type_var_init): Use VEC instead of
3394 * tree-ssa-live.h: Include vecprim.h.
3395 (tree_partition_associator_d): Change the type of
3396 first_partition to VEC(int,heap) *.
3397 (tpa_first_partition): Use VEC instead of VARRAY.
3399 * Makefile.in (GTFILES): Move functions.h after tree.h.
3400 * function.c (reset_block_changes, record_block_change,
3401 check_block_change, free_block_changes): Use VEC instead of
3403 * function.h (function): Change the type of
3404 ib_boundaries_block to VEC(tree,gc) *.
3405 * tree-inline.c (copy_cfg_body): Initialize
3406 ib_boundaries_block to NULL instead of (varray_type) 0.
3408 2006-04-12 Roger Sayle <roger@eyesopen.com>
3410 * expr.c (emit_group_store): Correct operand order in call to
3411 subreg_lowpart_offset. Always create paradoxical SUBREGs with
3412 a SUBREG_BYTE of zero.
3414 2006-04-12 Richard Guenther <rguenther@suse.de>
3416 * profile.c (compute_branch_probabilities): Remove code
3417 encapsulated in !ir_type (), which are remanents of the
3418 removed RTL profiling code.
3419 * rtl-profile.c: Remove.
3421 2006-04-12 Alan Modra <amodra@bigpond.net.au>
3423 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
3424 magic NULL_RTX comment.
3425 (function_arg): Store entire fp arg to mem if any part should go
3427 (rs6000_arg_partial_bytes): Adjust for above change.
3429 2006-04-11 Roger Sayle <roger@eyesopen.com>
3431 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
3432 if it hasn't been initialized by dwarf2out_init.
3434 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
3436 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
3437 symbolic constants in branch patterns.
3439 2006-04-11 Roger Sayle <roger@eyesopen.com>
3441 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
3443 2006-04-11 Richard Sandiford <richard@codesourcery.com>
3445 PR rtl-optimization/27073
3446 * gcse.c (try_replace_reg): Revert last change. Continue to search
3447 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
3450 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3452 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
3453 aggregate types other than record and union types.
3454 (function_arg): Likewise.
3455 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
3457 (function_value): In 64-bit mode, return objects that require it
3460 2006-04-11 Roger Sayle <roger@eyesopen.com>
3462 * dwarf2out.c (premark_used_types): Remove problematic prototype.
3464 2006-04-11 Jakub Jelinek <jakub@redhat.com>
3466 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
3468 2006-04-03 Jeff Law <law@redhat.com>
3471 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
3472 alias information too.
3474 2006-04-10 Mike Frysinger <vapier@gentoo.org>
3476 * Makefile.in (gcc-cross): Add $(exeext) to target name.
3478 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
3481 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
3482 (premark_used_types_helper): New.
3483 (premark_used_types): New.
3484 (gen_subprogram_die): Call premark_used_types.
3485 (prune_unused_types_walk): Do not prune perennial dies.
3486 * function.c (used_types_insert): New.
3487 * function.h (struct function): Add used_types_hash field.
3488 (used_types_insert): Add prototype.
3489 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
3490 * c-parser.c (c_parser_cast_expression): Save casted types in used
3493 2006-04-11 Mark Mitchell <mark@codesourcery.com>
3496 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
3497 rs6000_explicit_options.float_gprs.
3499 2006-04-10 Roger Sayle <roger@eyesopen.com>
3501 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
3502 from ix86_expand_vector_init_low_nonzero. Take an additional
3503 one_var argument indicating which element is non-zero. Support
3504 one_var != 0 for V4SFmode and V4SImode by permuting the result.
3505 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
3506 with one_var instead of ix86_expand_vector_init_low_nonzero.
3508 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
3510 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
3511 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
3512 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
3513 build/genextract.o): Depend on vecprim.h.
3514 * cfglayout.c, df-problems.c, function.c, genextract.c,
3515 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
3516 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
3520 2006-04-10 Geoffrey Keating <geoffk@apple.com>
3522 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
3523 Declare VECs of this type.
3524 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
3525 (remove_children): Delete.
3526 (add_dwarf_attr): Use VEC routines.
3527 (add_AT_flag): Update for changes to add_dwarf_attr.
3528 (add_AT_int): Likewise.
3529 (add_AT_unsigned): Likewise.
3530 (add_AT_long_long): Likewise.
3531 (add_AT_vec): Likewise.
3532 (add_AT_string): Likewise.
3533 (add_AT_die_ref): Likewise.
3534 (add_AT_fde_ref): Likewise.
3535 (add_AT_loc): Likewise.
3536 (add_AT_loc_list): Likewise.
3537 (add_AT_addr): Likewise.
3538 (add_AT_lbl_id): Likewise.
3539 (add_AT_lineptr): Likewise.
3540 (add_AT_macptr): Likewise.
3541 (add_AT_offset): Likewise.
3542 (add_AT_range_list): Likewise.
3543 (get_AT): Use VEC_iterate.
3544 (remove_AT): Use VEC_ordered_remove.
3545 (free_die): Fold remove_children into here; have it use VEC_iterate.
3546 (print_die): Use VEC_iterate on attrs.
3547 (reverse_die_lists): Don't reverse attr lists.
3548 (die_checksum): Use VEC_iterate on attrs.
3549 (same_die_p): Likewise.
3550 (output_location_lists): Likewise.
3551 (build_abbrev_table): Likewise.
3552 (size_of_die): Likewise.
3553 (unmark_all_dies): Likewise.
3554 (output_abbrev_section): Likewise.
3555 (output_die): Likewise.
3556 (prune_unused_types_walk_attribs): Likewise.
3558 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
3560 * doc/install.texi (*-*-solaris2*): Point to the configure page.
3562 2006-04-10 Jakub Jelinek <jakub@redhat.com>
3565 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
3567 2006-04-09 Roger Sayle <roger@eyesopen.com>
3569 * expr.c (store_constructor): Don't bother clearing target if
3570 we're about to assign a vector to it using vec_init_optab.
3572 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
3574 * tree-ssa-alias.c (lhs_may_store_to): New function.
3575 (recalculate_used_alone): Handle LHS of calls.
3577 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3581 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
3582 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
3583 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
3584 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
3585 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
3586 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
3587 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
3588 stubs. Add ".align 8" directives before all ".dword" directives.
3589 (GTHREAD_USE_WEAK): Revise comment.
3590 (TARGET_ATTRIBUTE_WEAK): Define.
3591 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
3592 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
3593 * stublib.c: New file.
3598 * pa.md (cbranch patterns): Revise arguments used in calls to
3599 output_cbranch, output_bb and output_bvd. Add long branch length
3601 (fbranch patterns): Handle long branches.
3602 (jump): Revise length check. Revise arguments for output_lbranch call.
3603 Add long branch length attributes.
3604 (decrement_and_branch_until_zero): Add long branch length attributes.
3605 (output_movb, output_parallel_addb and output_parallel_movb patterns):
3606 Likewise. Revise arguments for output_parallel_addb and
3607 output_parallel_movb calls.
3608 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
3609 output_parallel_movb and output_parallel_addb): Update prototypes.
3610 * pa.c (output_cbranch): Revise arguments. Correct handling of
3611 nullification in long branches.
3612 (output_lbranch): Add new argument to control extraction of delay
3614 (output_bb): Handle long branches.
3615 (output_bvb, output_dbra, output_movb, output_parallel_movb,
3616 output_parallel_addb): Likewise.
3618 2006-04-09 Richard Sandiford <richard@codesourcery.com>
3620 PR rtl-optimization/27073
3621 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
3624 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
3626 * tree.h (tree_memory_tag): Add old_used_alone.
3627 (SMT_OLD_USED_ALONE): New macro.
3628 * tree-ssa-alias.c (recalculate_used_alone): Stop
3629 marking things for renaming unnecessarily.
3631 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
3633 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
3634 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
3635 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
3636 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
3637 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
3638 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
3639 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
3640 spelling convensions.
3641 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
3642 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
3643 typos. Follow spelling conventions.
3645 2006-04-07 DJ Delorie <dj@redhat.com>
3647 * config/m32c/m32c.c (m32c_function_arg): Structures are always
3648 passed on the stack.
3649 (m32c_init_cumulative_args): When a function returns a structure,
3650 always pass the pointer to that return area on the stack.
3651 (m32c_function_arg_advance): Don't increment the parameter number
3652 if we're processing the returned structure pointer.
3653 (pushm_info): Reverse order of registers.
3655 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
3657 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
3658 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
3659 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
3660 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
3662 * tree-chrec.c (chrec_fold_multiply_poly_poly,
3663 chrec_fold_multiply): Same.
3664 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
3665 force_expr_to_var_cost): Same.
3666 * tree-mudflap.c (mf_xform_derefs_1): Same.
3667 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
3669 2006-04-07 David Edelsohn <edelsohn@gnu.org>
3671 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
3672 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
3675 2006-04-07 Jan Hubicka <jh@suse.cz>
3677 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
3679 2006-04-07 Richard Guenther <rguenther@suse.de>
3681 PR tree-optimization/26135
3682 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
3683 loads for store copy-prop.
3684 (copy_prop_visit_stmt): Likewise.
3686 2006-04-05 Robert Millan <robertmh@gnu.org>
3688 * config/i386/linux.h: Add a comment to mark macros that are
3689 being overriden in config/k*bsd-gnu.h.
3690 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
3692 * config/knetbsd-gnu.h: Ditto.
3694 2006-04-06 Jan Hubicka <jh@suse.cz>
3698 * coverage.c (coverage_checksum_string): Reorganize loop to not read
3701 2006-04-06 Mike Stump <mrs@apple.com>
3703 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
3704 for HAVE_nonlocal_goto to be consistent.
3705 (expand_builtin_nonlocal_goto): Likewise.
3706 (expand_builtin_strcmp): Use #ifdef instead of #if
3707 for HAVE_cmpstrnsi to be consistent.
3709 2006-04-05 DJ Delorie <dj@redhat.com>
3711 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
3714 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
3716 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
3717 got-relative addressing for anything but SImode.
3719 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
3720 even if the calling function doesn't modify them.
3722 2006-04-05 Richard Guenther <rguenther@suse.de>
3724 PR tree-optimization/26919
3725 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
3726 to cgraph_estimate_size_after_inlining.
3728 2006-04-05 Alan Modra <amodra@bigpond.net.au>
3730 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
3732 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
3734 PR tree-optimization/26996
3735 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
3736 VECTOR_TYPE variables.
3738 2006-04-05 Richard Guenther <rguenther@suse.de>
3740 PR tree-optimization/26763
3741 * fold-const.c (fold_comparison): Move folding of
3742 PTR + CST CMP PTR + CST ...
3743 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
3745 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
3747 * doc/install.texi (Prerequisites): Refine some wording on
3748 bootstrapping and ksh.
3749 Move the version numbers of DejaGnu here from the testing section
3750 and fix casing of names.
3751 Fix markup and clarify wording for autogen requirements.
3752 Refer to GCJ instead of just java.
3753 Refer to SVN instead of CVS.
3754 Describe diffutils as useful instead of necessary.
3755 (Downloading the source): Refer to SVN instead of CVS.
3756 Adjust a link to our web site accordingly.
3757 (Configuration): Fix casing of Bison.
3758 (Building): Refer to SVN instead of CVS.
3759 Fix a sentence on the use of Bison and remove duplicate (and
3760 incorrect) version number of Bison requirement.
3761 Remove one redundant list of packages needed for building.
3762 (Specific): Avoid reference to CVS.
3764 2006-04-04 Eric Christopher <echristo@apple.com>
3766 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
3767 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
3768 (rs6000_handle_struct_attribute): New.
3769 (rs6000_ms_bitfield_layout_p): Ditto.
3771 2006-04-04 Geoffrey Keating <geoffk@apple.com>
3773 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
3774 NULL for dso parameter to atexit_common.
3776 2006-04-04 Eric Christopher <echristo@apple.com>
3778 * config/i386/i386.c (machopic_output_stub): Output \t
3779 between instructions and operands.
3781 2006-04-04 David Edelsohn <edelsohn@gnu.org>
3783 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
3784 satisfies_constraint_[IL] to explicit tests on value.
3786 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
3788 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3789 set_nb_iterations_in_loop): Use build_int_cst instead of
3791 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
3792 build_int_cst instead of convert.
3794 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
3796 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
3797 new value 2 for incoming.
3798 * function.c (expand_function_start): Call struct_value_rtx
3800 * config/sparc/sparc.md: Comment updated_return.
3801 * config/sparc/sparc.opt: Add -mstd-struct-return option.
3802 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
3803 struct return if sparc_std_struct_return and incoming is 2.
3804 (print_operand): Do not adjust return if
3805 sparc_std_struct_return.
3807 2006-04-04 Roger Sayle <roger@eyesopen.com>
3809 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
3810 convert in the middle-end.
3811 * expr.c (store_expr, store_constructor, get_inner_reference,
3812 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
3814 * tree.c (build_range_type): Likewise.
3816 2006-04-04 Tom Tromey <tromey@redhat.com>
3818 * doc/install.texi (Prerequisites): Mention jar.
3820 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
3822 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
3825 2006-04-04 Matthias Klose <doko@debian.org>
3827 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
3828 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
3831 2006-04-03 Geoffrey Keating <geoffk@apple.com>
3833 * doc/extend.texi (Function Attributes): Rewrite visibility
3834 attribute documentation.
3835 * doc/invoke.texi (C++ Dialect Options): Rewrite
3836 -fvisibility-inlines-hidden documentation to describe something
3837 entirely different, although in practise compatible.
3838 (Code Gen Options): Warn about system headers in -fvisibility=
3841 * doc/extend.texi (Other Builtins): Document that
3842 __builtin_nan is a compile-time constant only when its argument
3845 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
3847 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
3848 trying to remove TRUNCATE check if all bits outside the new mode
3849 are identical to the sign bit.
3851 2006-04-03 Jeff Law <law@redhat.com>
3853 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
3854 and operand scanning in some common cases.
3856 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
3857 Dale Johannesen <dalej@apple.com>
3860 * regclass.c (struct reg_pref): Update documentation.
3861 (regclass): Set prefclass to NO_REGS if memory is the best option.
3862 (record_reg_classes): Cope with a prefclass set to NO_REGS.
3863 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
3864 into account. For non-registers, equate an empty preferred
3865 reload class to a `!' in the constraint; move the if clause to
3866 do so after those that reject the insn.
3867 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
3869 (find_dummy_reload): Likewise.
3870 * doc/tm.texi (Register Classes): Document what it means
3871 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
3872 * config/i386/i386.c (ix86_preferred_reload_class): Force
3873 using SSE registers (and return NO_REGS for floating-point
3874 constants) if math is done with SSE.
3875 (ix86_preferred_output_reload_class): New.
3876 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
3877 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
3878 * config/i386/i386.md: Remove # register preferences.
3880 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3883 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3884 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
3885 the type of nb_iter.
3886 (instantiate_parameters_1): Convert the operands before calling
3887 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
3888 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
3890 2006-04-02 Roger Sayle <roger@eyesopen.com>
3892 * builtins.c (dummy_object): Use build_int_cst instead of convert.
3893 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
3895 * dojump.c (do_jump): Likewise.
3896 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
3897 * gimplify.c (gimple_boolify, gimplify_init_constructor,
3898 gimplify_boolean_expr): Likewise.
3899 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
3900 * varasm.c (array_size_for_constructor): Likewise.
3901 * tree-object-size.c (compute_object_offset): Likewise.
3903 2006-04-02 Roger Sayle <roger@eyesopen.com>
3906 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
3907 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
3909 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3911 PR tree-optimization/26939
3912 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
3914 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3916 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
3917 at_stmt. Convert the type of operands before calling
3918 build_polynomial_chrec.
3919 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
3921 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
3922 (instantiate_parameters_1): Convert the type of operands before calling
3923 build_polynomial_chrec.
3924 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
3925 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
3926 reset_evolution_in_loop): Insert asserts to check the types of the
3928 (chrec_type): Moved...
3929 (eq_evolutions_p): Use operand_equal_p.
3930 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
3931 the types of the operands.
3932 (chrec_type): ...here.
3933 * tree-data-ref.c (create_data_ref): Convert the operands before
3934 calling chrec_replace_initial_condition.
3935 (same_access_functions, analyze_subscript_affine_affine,
3936 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
3937 (compute_subscript_distance, analyze_ziv_subscript,
3938 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
3939 analyze_miv_subscript): Convert the operands before calling
3940 chrec_fold_minus or chrec_fold_plus.
3942 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
3944 * tree-data-ref.c (compute_all_dependences): Use a pointer to
3945 the dependence_relations vector.
3946 (compute_data_dependences_for_loop): Adjust call to
3947 compute_all_dependences.
3949 2006-04-01 Roger Sayle <roger@eyesopen.com>
3950 Richard Henderson <rth@redhat.com>
3952 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
3953 gimple_boolify on the condition before calling gimplify_expr.
3955 2006-03-31 Bob Wilson <bob.wilson@acm.org>
3957 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
3958 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
3959 the frame size. Update to use the new macros.
3960 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
3961 * config/xtensa/ieee754-df.S: Likewise.
3963 2006-03-31 Richard Henderson <rth@redhat.com>
3965 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
3966 (make_edges): ... here. Control fallthru creation with a local
3967 variable. Do not play with fake edges.
3968 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
3969 (make_goto_expr_edges): Don't play with fake edges. Make for_call
3972 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
3974 * dwarf2.h (DW64_CIE_ID): Define.
3975 * dwarf2out.c (DWARF_CIE_ID): Define.
3976 (output_call_frame_info): Output 0xffffffff before standard 8-byte
3977 length header. Use DWARF_CIE_ID.
3978 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
3979 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
3981 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
3983 * config/sh/linux-atomic.asm: New file.
3984 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
3986 2006-03-31 DJ Delorie <dj@redhat.com>
3988 * config/m32c/cond.md: Set condition flags properly throughout.
3989 * config/m32c/minmax.md: Likewise.
3990 * config/m32c/prologue.md: Likewise.
3991 * config/m32c/bitops.md: Likewise.
3992 * config/m32c/muldiv.md: Likewise.
3993 * config/m32c/mov.md: Likewise.
3994 * config/m32c/addsub.md: Likewise.
3995 * config/m32c/m32c.md: Likewise.
3996 * config/m32c/jump.md: Likewise.
3997 * config/m32c/shift.md: Likewise.
3999 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
4000 conditionally output the pattern for this.
4001 * config/m32c/m32c.c (flags_needed_for_conditional): New.
4002 (m32c_compare_redundant): New.
4003 (m32c_output_compare): New.
4004 * config/m32c/m32c-protos.h (m32c_output_compare): New.
4006 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
4007 dest, not src. Allow other 4-byte modes.
4009 2006-03-30 Denis Chertykov <denisc@overta.ru>
4011 * doc/md.texi: Refer to avr/constraints.md instead of
4014 2006-03-30 Roger Sayle <roger@eyesopen.com>
4016 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
4017 signed vs. unsigned comparison failures on some hosts.
4019 2006-03-31 Alan Modra <amodra@bigpond.net.au>
4022 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
4023 change to FLOAT_REGS.
4025 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
4026 (rs6000_override_options): Use it.
4027 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
4028 only for -mabi=spe/no-spe and -mabi=altivec.
4030 2006-03-30 Geoffrey Keating <geoffk@apple.com>
4032 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
4035 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
4037 * Makefile.in: Rename docdir to gcc_docdir.
4039 2006-03-30 Roger Sayle <roger@eyesopen.com>
4042 * expr.c (emit_group_store): Optimize group stores into a pseudo
4043 register by using a paradoxical subreg to initialize the destination
4044 if the first or last member of the group specifies a "low part".
4046 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4049 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
4050 * target.h (struct gcc_target.speculate_insn): Change type of the
4051 second parameter to 'int'.
4052 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
4053 the second operand of the DEPS_LIST.
4054 (copy_DEPS_LIST_list): Update reference to the second operand of the
4056 * rtl.h (alloc_DEPS_LIST): Update signature.
4057 * sched-int.h (ds_t): Change typedef to 'int'.
4058 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4060 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4062 * haifa-sched.c (try_ready): Change condition to restore
4063 non-speculative pattern of the instruction.
4064 (process_insn_depend_be_in_spec): Code to keep probability of the
4065 speculative dependence non-decreasing.
4067 2006-03-30 Jie Zhang <jie.zhang@analog.com>
4069 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
4070 (single_move_for_movmem): ... this. Also change all uses.
4071 (bfin_expand_strmov): Renamed to...
4072 (bfin_expand_movmem): ... this. Also change all uses.
4073 * config/bfin/bfin.md (movstrsi): Renamed to...
4074 (movstrsi): ...this.
4076 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
4078 PR tree-optimization/26830
4080 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
4081 (copy_prop_visit_stmt): Remove write-only variable ann.
4082 (init_copy_prop): Check variable loop depth here. Do not simulate
4083 memory-tag and virtual operand PHIs except for store copy prop.
4085 2006-03-30 Richard Guenther <rguenther@suse.de>
4087 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
4088 variants with double arguments.
4090 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4092 * genpreds.c (write_tm_constrs_h): Delete variable p.
4093 * genconditions.c (write_header): Add tm-constrs.h to included
4095 * genpeep.c (main): Add toplev.h to included headers.
4096 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
4097 (build/genpeep.o): Add toplev.h dependency.
4098 * config/rs6000/constraints.md: Add "W" constraint.
4100 2006-03-29 Roger Sayle <roger@eyesopen.com>
4102 * stor-layout.c (mode_for_size_tree): Remove restiction on type
4103 sizes by correctly testing whether the size fits a host integer.
4104 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
4105 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
4106 SImode range for the default sizetype and bitsizetype.
4108 2006-03-29 Roger Sayle <roger@eyesopen.com>
4110 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
4111 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
4112 quickly if the argument is already of the correct type.
4113 Call fold_build1 instead of build1. Tidy up blank lines.
4115 2006-03-29 David Edelsohn <edelsohn@gnu.org>
4117 * genemit.c (main): Add tm-constrs.h to included headers.
4118 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
4119 * genpeep.c (main): Add tm-constrs.h to included headers.
4120 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
4121 (write_tm_constrs_h): this and write complete file.
4122 (write_tm_preds_h): Do not emit satisfies_constraint fns.
4123 (write_insn_preds_c): Add tm-constrs.h to included headers.
4124 (gen_constrs): New variable.
4125 (parse_option): Parse "-c".
4126 (main): Invoke write_tm_constrs_h.
4127 * genrecog.c (write_header): Add tm-constrs.h to included headers.
4128 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
4129 (object_out_file): Add tm-constrs.h dependency.
4130 (insn-emit.o): Same.
4131 (insn-output.o): Same.
4132 (insn-peep.o): Same.
4133 (insn-preds.o): Same.
4134 (insn-recog.o): Same.
4135 (tm-constsr.h): New target.
4136 (s-constrs-h): New target.
4138 * config/rs6000/constraints.md: New file.
4139 * config/rs6000/rs6000.c: Include tm-constrs.h.
4140 (num_insn_constant_wide): Convert to satisfies_constraint.
4141 (rs6000_rtx_costs): Convert to satisfies_constraint.
4142 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
4143 (CONST_OK_FOR_LETTER_P): Delete.
4144 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4145 (EXTRA_CONSTRAINT): Delete.
4146 (EXTRA_MEMORY_CONSTRAINT): Delete.
4147 (EXTRA_ADDRESS_CONSTRAINT): Delete.
4148 * config/rs6000/predicates.md: Convert to satisfies_constraint.
4149 * config/rs6000/rs6000.md: Include constraints.md. Convert to
4150 satisfies_constraint.
4152 * config/i386/i386.c: Include tm-constrs.h.
4154 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4156 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
4157 * tree-data-ref.c (find_data_references_in_loop,
4158 compute_data_dependences_for_loop): Use pointers to VEC.
4159 (analyze_all_data_dependences): Adjust calls.
4160 * tree-data-ref.h (find_data_references_in_loop,
4161 compute_data_dependences_for_loop): Adjust declarations.
4162 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
4163 compute_data_dependences_for_loop.
4165 2006-03-29 Paul Brook <paul@codesourcery.com>
4167 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
4170 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
4172 PR tree-optimization/26859
4173 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
4175 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
4176 for the step after fold_convert.
4178 2006-03-29 Paul Brook <paul@codesourcery.com>
4180 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
4181 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
4183 2006-03-29 Paul Brook <paul@codesourcery.com>
4186 * targhooks.c (default_narrow_bitfield): New fuction.
4187 * targhooks.h (default_narrow_bitfield): add prototype.
4188 * target.h (gcc_target): Add narrow_volatile_bitfield.
4189 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4190 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
4191 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
4192 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
4194 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
4196 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
4198 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
4199 (NR_C_MODES): Add TDmode, DDmode and SDmode.
4200 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
4201 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
4202 (s390_function_arg_float): Allow SDmode and DDmode values to be
4203 passed in floating point registers.
4204 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
4205 check with SCALAR_FLOAT_MODE_P.
4206 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
4208 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4210 PR tree-optimization/25985
4211 * tree-ssa-loop-niter.c (number_of_iterations_le,
4212 number_of_iterations_ne): Make comments more precise.
4213 (number_of_iterations_cond): Add only_exit argument. Use the
4214 fact that signed variables do not overflow only when only_exit
4216 (loop_only_exit_p): New.
4217 (number_of_iterations_exit): Pass result of loop_only_exit_p to
4218 number_of_iterations_cond.
4220 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
4222 PR tree-optimization/26643
4223 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
4226 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
4228 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
4229 (divsi3_i4_int): Likewise.
4231 2006-03-28 Roger Sayle <roger@eyesopen.com>
4233 * expr.c (emit_group_store): Only create a new pseudo reg if the
4234 quantity it needs to hold isn't already a suitable pseudo.
4236 2006-03-28 Jeff Law <law@redhat.com>
4238 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
4239 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
4241 2006-03-28 Roger Sayle <roger@eyesopen.com>
4243 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
4244 the equivalent ~X & Y, and the symmetry related transformations.
4245 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
4246 ~X & Y, and symmetry related transforms.
4248 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4250 Revert my 2006-03-27 patches.
4252 2006-03-28 Roger Sayle <roger@eyesopen.com>
4254 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
4255 ~(T1)X, when T1 and T2 are integer types of the same precision
4256 and (T2)X isn't an extension.
4258 2006-03-28 Jeff Law <law@redhat.com>
4260 PR tree-optimization/26796
4261 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
4262 need EH edge cleanups rather than purging them immediately.
4263 (eliminate_degenerate_phis): Handle queued EH cleanups.
4265 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
4267 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
4270 2006-03-27 Roger Sayle <roger@eyesopen.com>
4273 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
4274 cast BIT_NOT_EXPR operand to the correct type.
4276 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
4278 * tree-loop-linear.c: Don't include varray.h.
4279 (gather_interchange_stats, try_interchange_loops,
4280 linear_transform_loops): Use VEC instead of VARRAY.
4281 * lambda-mat.c: Don't include varray.h.
4282 * tree-chrec.c: Same.
4283 * lambda-trans.c: Same.
4284 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
4285 VEC instead of VARRAY.
4286 * tree-vectorizer.h: Idem.
4287 * tree-data-ref.c (dump_data_references,
4288 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
4289 initialize_data_dependence_relation, finalize_ddr_dependent,
4290 compute_all_dependences, find_data_references_in_loop,
4291 compute_data_dependences_for_loop, analyze_all_data_dependences,
4292 free_dependence_relation, free_dependence_relations,
4293 free_data_refs): Idem.
4294 * tree-data-ref.h (data_reference_p, subscript_p): New.
4295 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
4296 VEC instead of VARRAY.
4297 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
4298 (find_data_references_in_loop, compute_data_dependences_for_loop,
4299 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
4300 dump_data_dependence_relations, free_dependence_relations,
4301 free_data_refs): Adjust declaration.
4302 (lambda_transform_legal_p): Move declaration here...
4303 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
4304 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
4305 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
4306 vect_analyze_data_refs): Use VEC instead of VARRAY.
4307 * lambda.h (lambda_transform_legal_p): ...from here.
4308 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
4309 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
4310 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
4311 tree-chrec.o): Don't depend on VARRAY_H.
4313 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4315 * rtl.def (Copyright): Update date.
4316 (DEPS_LIST): Change type of the second operand to 'int'.
4317 * target.h (Copyright): Update date.
4318 (struct gcc_target.speculate_insn): Change type of the second parameter
4320 * lists.c (Copyright): Update date.
4321 (alloc_DEPS_LIST): Change signature. Update reference to the second
4322 operand of the DEPS_LIST.
4323 (copy_DEPS_LIST_list): Update reference to the second operand of the
4325 * rtl.h (Copyright): Update date.
4326 (alloc_DEPS_LIST): Update signature.
4327 * sched-int.h (Copyright): Update date.
4328 (ds_t): Change typedef to 'int'.
4329 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
4331 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4333 * haifa-sched.c (Copyright): Update date.
4334 (try_ready): Change condition to restore non-speculative pattern
4336 (process_insn_depend_be_in_spec): Code to keep probability of the
4337 speculative dependence non-decreasing.
4339 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
4341 * regrename.c (replace_oldest_value_addr): Initialize a variable to
4342 shut up the compiler.
4344 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
4346 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
4347 to use lib prefix for target.
4348 ($(T)libic_invalidate_array_4-200.a): Likewise.
4349 ($(T)libic_invalidate_array_4a.a): Likewise.
4351 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
4352 J"orn Rennecke <joern.rennecke@st.com>
4354 * superh.opt: New file.
4355 * sh.c (boardtype, osruntime): Remove.
4356 * superh.h (SUBTARGET_OPTIONS): Remove.
4357 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
4359 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
4360 arguments with ^ and/or [].
4362 * config.gcc (sh-*-*): Add quoting to account for quirk of
4364 Replace == with = in enable_incomplete_targets test.
4366 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
4367 with MASK_LITTLE_ENDIAN.
4369 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
4370 * config/sh/sh.opt: Added to some comments.
4371 * config/sh/superh.h: Removed some chaff.
4373 * config/sh/sh.opt: Add m4-[1234]00* options.
4374 * config/sh/sh.c (sh_handle_option): Likewise.
4375 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
4376 (ic_invalidate_array_4-100.o): New rule.
4377 ($(T)libic_invalidate_array_4-100.a): Likewise.
4378 (ic_invalidate_array_4-200.o): Likewise.
4379 ($(T)libic_invalidate_array_4-200.a): Likewise.
4380 (ic_invalidate_array_4a.o): Likewise.
4381 ($(T)libic_invalidate_array_4a.a): Likewise.
4382 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
4383 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
4385 * config/sh/crt1.asm: Merged in profiling code.
4386 * config/sh/superh.h (STARTFILE_SPEC): Override.
4387 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
4388 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
4389 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4391 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
4392 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
4393 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
4395 * sh.opt (mpretend-cmove): New option.
4396 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
4397 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
4398 (movsicc): Add TARGET_PRETEND_CMOVE code.
4400 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
4402 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
4403 s390_class_max_nregs): New function prototypes.
4404 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
4405 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
4406 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
4407 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
4409 2006-03-26 Geoffrey Keating <geoffk@apple.com>
4411 * dwarf2out.c (add_location_or_const_value_attribute): Call
4412 tree_add_const_value_attribute if nothing else works.
4413 (reference_to_unused): New.
4414 (rtl_for_decl_init): Use reference_to_unused to decide whether
4415 to output an initializer.
4417 2006-03-27 Alan Modra <amodra@bigpond.net.au>
4420 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
4421 peephole removing spe frob_di_df_2.
4423 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
4425 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
4426 (subscript_dependence_tester_1): Declared.
4427 (print_dir_vectors, print_dist_vectors): New.
4428 (debug_data_dependence_relation): New.
4429 (dump_data_dependence_relation): Print more details.
4430 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
4431 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
4432 (save_dist_v, save_dir_v, add_outer_distances,
4433 build_classic_dist_vector_1): New.
4434 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
4435 Don't test for lambda_vector_lexico_pos.
4436 (same_access_functions, add_multivariate_self_dist,
4437 add_other_self_distances, dir_from_dist): New.
4438 (build_classic_dir_vector): Replace implementation almost identical to
4439 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
4441 (subscript_dependence_tester_1): New.
4442 (subscript_dependence_tester): Handle the lexicographically negative
4443 distance vectors by recomputing the dependence relation.
4444 (compute_affine_dependence): Remove parameter loop_nest_depth.
4445 (compute_self_dependence): Don't call compute_subscript_distance.
4446 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
4447 Add a parameter for the loop_nest.
4448 (find_loop_nest_1, find_loop_nest): New.
4449 (compute_data_dependences_for_loop): Compute the loop nest, and give
4450 up if the nest is not well formed.
4451 * tree-data-ref.h (loop_p): New.
4452 (struct data_dependence_relation): Replace size_vect field with
4453 loop_nest, a vec of loops.
4454 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
4455 (DDR_LOOP_NEST): New.
4456 (print_dir_vectors, print_dist_vectors,
4457 debug_data_dependence_relation): Declared.
4458 (index_in_loop_nest): New.
4459 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
4460 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
4463 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
4465 * simplify-rtx.c (simplify_relational_operation): Call
4466 simplify_relational_operation_1 even if mode is VOIDmode.
4468 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
4470 PR tree-optimization/26804
4471 * tree.h (DECL_CALL_CLOBBERED): New macro.
4472 (tree_decl_common): Add call_clobbered_flag.
4473 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
4474 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
4475 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
4476 (mark_non_addressable): Ditto.
4477 * tree-ssa.c (verify_call_clobbered): New function.
4478 (verify_alias_info): Use it.
4479 * tree-pass.h (pass_reset_cc_flags): New prototype.
4480 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
4481 (reset_cc_flags): New function.
4482 * passes.c (init_optimization_passes): Call reset_cc_flags after
4483 initializing referenced_vars.
4485 2006-03-25 Uros Bizjak <uros@kss-loka.si>
4486 Roger Sayle <roger@eyesopen.com>
4489 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
4490 to 1.0 for non-real operands. Implement A / A optimization for
4493 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
4495 * config/i386/i386.c (size_cost): Correct the comment for
4496 cost of storing fp registers.
4497 (i386_cost): Likewise.
4498 (i486_cost): Likewise.
4499 (pentium_cost): Likewise.
4500 (pentiumpro_cost): Likewise.
4501 (k6_cost): Likewise.
4502 (athlon_cost): Likewise.
4503 (k8_cost): Likewise.
4504 (pentium4_cost): Likewise.
4505 (nocona_cost): Likewise.
4506 (generic64_cost): Likewise.
4507 (generic32_cost): Likewise.
4509 2006-03-24 Denis Chertykov <denisc@overta.ru>
4511 * config/avr/avr-protos.h (extra_constraint): Delete.
4512 (extra_constraint_Q): New declaration.
4513 * config/avr/constraints.md: New file.
4514 * config/avr/avr.md: Include it.
4515 (REG_X, REG_Y, REG_Z, REG_W): New constants.
4516 (TMP_REGNO, ZERO_REGNO): Likewise.
4517 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
4518 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
4519 (extra_constraint): Delete.
4520 (extra_constraint_Q): Test for memory constraint 'Q'.
4521 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
4522 (REG_CLASS_FROM_LETTER): Delete.
4523 (CONST_OK_FOR_LETTER_P): Delete.
4524 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4525 (EXTRA_CONSTRAINT): Delete.
4526 (TMP_REGNO): Delete.
4527 (ZERO_REGNO): Delete.
4529 2006-03-24 Jeff Law <law@redhat.com>
4531 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
4532 directly. Call mark_new_vars_to_rename slightly earlier.
4534 2006-03-24 Geoffrey Keating <geoffk@apple.com>
4536 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
4538 (gen_compile_unit_die): Use new language types for Objective-C and
4540 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
4541 DW_LANG_C_plus_plus.
4544 * config/t-darwin (crt3.o): Work around bug 26840.
4545 * config/darwin-crt3.c: Rewrite.
4546 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
4548 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
4550 * doc/invoke.texi: Document -femit-class-debug-always
4551 * common.opt: Add -femit-class-debug-always.
4553 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
4555 * config/s390/s390.c (s390_decompose_address): Allow SImode for
4556 index and base register.
4557 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
4558 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
4559 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
4560 REGNO_OK_FOR_INDEX_P.
4561 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
4563 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
4564 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
4565 REG_OK_FOR_BASE_P): Definitions removed.
4567 2006-03-24 Jakub Jelinek <jakub@redhat.com>
4570 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
4571 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
4572 set yet or weren't marked as local yet.
4574 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
4576 * regrename.c (scan_rtx_address): Initialize a variable to shut up
4579 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
4581 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
4582 (rs6000_legitimate_small_data_p): Delete.
4583 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
4584 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
4585 and make static. Add forward declaration. Update uses.
4586 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
4587 of offsettable_memref_p.
4588 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
4589 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
4591 2006-03-24 Jeff Law <law@redhat.com>
4593 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
4594 around bug in immediate-use iterator.
4596 2006-03-24 Alan Modra <amodra@bigpond.net.au>
4599 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
4600 or __LITTLE_ENDIAN__.
4602 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
4604 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
4605 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
4606 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
4607 * config/sh/sh.opt (mdiv=): Amend description.
4608 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
4609 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
4610 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
4611 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
4612 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
4613 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
4614 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
4615 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
4616 TARGET_DIVIDE_CALL_FP.
4618 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4620 * haifa-sched.c (choose_ready): Fix type of the local variable.
4621 Move local variables. Add comment.
4622 (check_reg_live): Change signature. Make callable from debugger.
4623 * sched-int.h (check_reg_live): Update signature.
4624 * sched-ebb.c (check_reg_live): Update parameters.
4625 * sched-rgn.c (check_reg_live): Ditto.
4626 (region_head_or_leaf_p): Check pointer before dereferencing.
4627 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
4628 before reload on optimization levels below 1.
4630 2006-03-23 Richard Henderson <rth@redhat.com>
4632 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
4636 * config/alpha/predicates.md (local_symbolic_operand): Reject
4639 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
4642 * tree-ssa-pre.c (create_value_expr_from): Don't reject
4643 expressions which have overflowed constants.
4645 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
4647 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
4649 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
4651 * cfgloopmanip.c (create_loop_notes): Removed.
4652 * final.c (final_scan_insn): Do not handle loop notes.
4653 * jump.c (squeeze_notes): Ditto.
4654 * cfglayout.c (skip_insns_after_block,
4655 duplicate_insn_chain): Ditto.
4656 * cfgcleanup.c (rest_of_handle_jump2): Do not call
4658 * cfgloop.h (create_loop_notes): Declaration removed.
4660 2006-03-23 Richard Sandiford <richard@codesourcery.com>
4662 * varasm.c (output_constant_pool): Restore fnname and fndecl
4664 (assemble_start_function): Adjust call accordingly.
4665 (assemble_end_function): Likewise.
4667 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4670 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
4673 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
4675 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4678 * system.h (ICE_EXIT_CODE): New macro.
4679 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
4680 (diagnostic_action_after_output): Likewise.
4681 * gcc.c (fatal_ice): New function.
4682 (execute): Use it instead of fatal.
4683 (fancy_abort): Likewise.
4684 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
4686 2006-03-22 Jeff Law <law@redhat.com>
4688 * loop-unroll.c (analyze_iv_to_split_insn): Handle
4689 iv_analyze_result returning false.
4691 2006-03-22 Jie Zhang <jie.zhang@analog.com>
4693 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
4695 2006-03-22 Richard Henderson <rth@redhat.com>
4698 * except.c (duplicate_eh_regions_0): New.
4699 (duplicate_eh_region_1): Duplicate the children of the node as
4700 well as the node itself. Link them up properly.
4701 (duplicate_eh_region_2): Merge into ...
4702 (duplicate_eh_regions): ... here. Take copy_region argument, and
4703 copy only a sub-tree if asked. Simplify copying and fixup.
4704 (eh_region_outer_p): New.
4705 * except.h (duplicate_eh_regions): Update decl.
4706 (eh_region_outer_p): Declare.
4707 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
4708 (lower_omp_master): Likewise.
4709 (lower_omp_ordered): Likewise.
4710 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
4711 (move_stmt_r): Use it to remap labels. Handle recursion vs
4712 remap_decls_p properly.
4713 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
4714 (find_outermost_region_in_block): New.
4715 (new_label_mapper): New.
4716 (move_sese_region_to_fn): Copy eh information to the new function
4718 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
4720 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
4723 2006-03-22 Richard Sandiford <richard@codesourcery.com>
4725 * doc/md.texi (-mshared): Mention that -mshared code can be linked
4726 into shared libraries.
4728 2006-03-22 Richard Sandiford <richard@codesourcery.com>
4730 * doc/md.texi: Refer to i386/constraints.md instead of
4732 * config/i386/constraints.md: New file, extracted from...
4733 * config/i386/predicates.md: ...here.
4734 * config/i386/i386.md: Include constraints.md.
4736 2006-03-21 Jason Merrill <jason@redhat.com>
4738 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
4741 * expr.c (init_block_move_fn): Force default visibility.
4742 (init_block_clear_fn): Likewise.
4743 * builtins.c (expand_builtin_fork_or_exec): Likewise.
4744 * targhooks.c (default_external_stack_protect_fail): Likewise.
4746 2006-03-21 Richard Sandiford <richard@codesourcery.com>
4748 * config/mips/predicates.md (const_call_insn_operand): Allow direct
4749 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
4750 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
4751 Use TARGET_OLDABI instead of !TARGET_NEWABI.
4752 (loadgp): Use mips_current_loadgp_style.
4753 (loadgp_noshared): New pattern.
4754 (sibcall_internal): Use MIPS_CALL.
4755 (sibcall_value_internal): Likewise.
4756 (sibcall_value_multiple_internal): Likewise.
4757 (call_internal): Likewise.
4758 (call_value_internal): Likewise.
4759 (call_value_multiple_internal): Likewise.
4760 (call_split): Use MIPS_CALL and add an 'S' constraint.
4761 (call_value_split): Likewise.
4762 (call_value_multiple_split): Likewise.
4763 * config/mips/mips.opt (-mabicalls): Tweak docstring.
4764 (-mshared): New option.
4765 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
4766 (mips_current_loadgp_style): Declare.
4767 * config/mips/mips.c (mips_classify_symbol): Avoid using
4768 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
4769 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
4770 TARGET_ABSOLUTE_ABICALLS.
4771 (override_options): Adjust comments. Improve the warning that is
4772 issued when -mabicalls and -G are used together.
4773 (mips_file_start): Remove comment.
4774 (mips_current_loadgp_style): New function.
4775 (mips_gnu_local_gp): New variable.
4776 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
4778 (mips_output_function_prologue): Use mips_current_laodgp_style.
4779 (mips_expand_prologue): Call mips_emit_loadgp before emitting
4780 the cprestore instruction.
4781 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
4782 live for TARGET_ABSOLUTE_ABICALLS.
4783 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
4784 (ASM_SPEC): Pass down -mshared and -mno-shared.
4785 (MIPS_CALL): New macro.
4786 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
4788 * doc/invoke.texi (-mabicalls): Update documentation.
4789 (-mshared): Document.
4791 2006-03-21 Steve Ellcey <sje@cup.hp.com>
4793 * config/ia64/unwind-hpux.c: New file.
4794 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
4796 2006-03-21 Steve Ellcey <sje@cup.hp.com>
4799 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
4801 2006-03-21 Jeff Law <law@redhat.com>
4803 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
4804 type conversions of a VR_VARYING source to a wider type.
4806 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
4808 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
4809 tm_file on Solaris 10 and later.
4810 (sparc64-*-solaris2*): Likewise.
4811 (sparc-*-solaris2*): Likewise.
4812 * config/sol26.h: Rename to config/sol2-6.h.
4813 * config/sol2-10.h: New file.
4815 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
4818 * tree-ssa-pre.c (create_component_ref_by_pieces):
4821 2006-03-21 Jakub Jelinek <jakub@redhat.com>
4824 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
4825 return it immediately.
4827 2006-03-21 Michael Matz <matz@suse.de>
4829 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
4831 (remove_arc, add_arc): Update num_out_arcs member.
4832 (set_out_arc_insns_equiv_num): Returns nothing instead of number
4834 (cache_presence): New function.
4835 (compare_states_for_equiv): New function.
4836 (state_is_differed): Don't take number of outargs, adjust callers.
4837 Use new invariant for speeding up.
4838 (init_equiv_class): Create initial classes based on sorted
4840 (partition_equiv_class): Don't track out_arcs_num.
4841 (evaluate_equiv_classes): Call cache_presence on all states and
4844 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
4846 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
4847 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
4848 (bfin_valid_reg_p): Test for pseudos explicitly and use only
4849 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
4851 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
4852 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
4853 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
4854 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
4855 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
4857 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
4858 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
4859 (REGNO_REG_CLASS): ARGP is in PREGS.
4860 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
4862 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
4863 to deal with those addresses.
4864 * addresses.h: New file.
4865 * caller-save.c: Include "addresses.h".
4866 (init_caller_save): Use new base_reg_class function.
4867 * rtl-factoring.c: Include "addresses.h".
4868 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
4869 * recog.c: Include "addresses.h".
4870 (preprocess_constraints): Use new base_reg_class function.
4871 * regrename.c: Include "addresses.h".
4872 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
4873 functions. Keep track of a new var INDEX_CODE to compute valid
4875 (replace_oldest_value_addr): Likewise.
4876 (replace_oldest_value_mem): Use base_reg_class.
4877 * reload.c: Include "addresses.h".
4878 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
4879 (find_reloads): Use new base_reg_class function.
4880 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
4881 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
4882 all callers and prototype changed.
4883 * reload1.c: Include "addresses.h".
4884 (maybe_fix_stack_asms): Use base_reg_class.
4885 * regclass.c: Include "addresses.h".
4886 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
4887 (init_reg_autoinc): Use new base_reg_class function.
4888 (record_reg_classes): Likewise.
4889 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
4890 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
4891 Use new args to compute necessary class.
4893 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
4894 regrename.o, rtl-factoring.o): Update dependencies.
4895 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
4896 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
4897 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
4898 REG_OK_FOR_INDEX_P): Delete documentation.
4900 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
4902 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
4903 from V7 to V9 for Solaris 7 and above.
4905 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
4907 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
4908 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
4909 argument pointers may not alias any other storage.
4910 * common.opt: Define option -fargument-noalias-anything.
4911 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
4912 alias semantics is specified by flag_argument_noalias > 2.
4914 2006-03-20 Jeff Law <law@redhat.com>
4916 * tree-pass.h (pass_phi_only_copy_prop): Delete.
4917 (pass_phi_only_cprop): Declare.
4918 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
4920 * tree-ssa-dom.c (degenerate_phi_result): New function.
4921 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
4922 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
4923 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
4924 (eliminate_degenerate_phis): Likewise.
4925 (pass_phi_only_cprop): New pass descriptor.
4926 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
4927 support code. Callers updated.
4928 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
4929 (store_copy_prop): Likewise.
4930 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
4932 2006-03-20 Jason Merrill <jason@redhat.com>
4935 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
4936 (push_visibility, pop_visibility): Likewise.
4937 * c-pragma.h: Declare them.
4939 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
4941 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
4943 * config/sh/sh.c (find_regmode_weight): Change the type of the first
4944 parameter and use get_ebb_head_tail.
4945 (sh_md_init_global): Adjust uses of find_regmode_weight.
4947 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
4949 * function.h (struct function) <x_tail_recursion_reentry>:
4950 Rename to x_stack_check_probe_note.
4951 (tail_recursion_reentry): Rename to stack_check_probe_note.
4952 * function.c: Replace tail_recursion_reentry with
4953 stack_check_probe_note everywhere.
4954 (expand_function_start): Only emit a note for
4955 stack_check_probe_note with -fstack-protect.
4956 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
4958 * emit-rtl.c (remove_unnecessary_notes): Remove.
4959 (pass_remove_unnecessary_notes): Remove.
4960 * rtl.h (remove_unnecessary_notes): Remove prototype.
4961 * final.c (final_start_function): Don't call remove_unnecessary_notes.
4962 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
4963 * passes.c (pass_remove_unnecessary_notes): Don't run it.
4965 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
4968 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
4969 (valid_in_set): Handle ARRAY_REF.
4970 Change "if min_variant or VH" to asserts.
4971 (create_component_ref_by_pieces): Handle ARRAY_REF.
4972 (create_expression_by_pieces): Likewise.
4973 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
4975 2006-03-20 David Edelsohn <edelsohn@gnu.org>
4977 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
4978 is operand of switch, not str[0].
4980 2006-03-20 Alan Modra <amodra@bigpond.net.au>
4982 * config/rs6000/rs6000.c (rs6000_handle_option): Use
4983 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
4985 2006-03-19 David Edelsohn <edelsohn@gnu.org>
4987 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
4988 end of insn_extra_address_constraint declaration.
4990 2006-03-19 David Edelsohn <edelsohn@gnu.org>
4992 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
4993 (no-sum-in-toc): Same.
4994 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
4996 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
4997 NO_FP_IN_TOC for -fPIC instead of mask.
4999 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
5000 (BOOT_LDFLAGS): Delete.
5002 * config/rs6000/t-aix52: Same.
5004 * config/rs6000/rs6000.md (store_multiple_power): Delete.
5005 (stmsi[345678]_power): New.
5007 2006-03-17 Steve Ellcey <sje@cup.hp.com>
5009 * config/ia64/ia64.opt: Add empty line to end of file.
5011 2006-03-17 Richard Guenther <rguenther@suse.de>
5014 * builtins.c (get_pointer_alignment): For component style references
5015 adjust alignment to the component type alignment. Make sure
5016 to adjust alignment for component access of constants.
5018 2006-03-17 David Edelsohn <edelsohn@gnu.org>
5020 * config/rs6000/rs6000.md (strlensi): Emit barrier after
5023 2006-03-17 Paul Brook <paul@codesourcery.com>
5025 * doc/install.texi: Docuemnt --with-mode.
5026 * config.gcc: Add --with-mode for arm*-*-*.
5027 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
5029 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
5031 * sh.c (max_labelno_before_reorg): New variable.
5032 (sh_reorg): Initialize it.
5033 (find_barrier): Check max_labelno_before_reorg before using
5034 label_to_alignment. Take length of explicit alignment insns
5035 into account. When seeing a UNSPECV_CONST_END, return it.
5037 * sh.c (fixup_mova): Set mode of affected label to QImode.
5038 (untangle_mova): New function.
5039 (find_barrier): Use it. Check mode of label before decrementing
5041 (sh_reorg): Likewise.
5042 Set mode of all insns back to VOIDmode.
5044 * sh.c (MOVA_LABELREF): New macro.
5045 (mova_p, fixup_mova, sh_reorg): Use it.
5046 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
5047 ADDR_DIFF_VEC matches mova.
5049 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
5051 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
5052 with ATTRIBUTE_UNUSED.
5054 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5056 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5057 pointer, instead of assuming it is possible to derive the
5058 correct args size from a call insn.
5060 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5062 * rtl.h (CONST_INT_P): Define.
5063 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
5064 instead of GET_CODE(x) == CONST_INT.
5065 (vax_rtx_costs): Likewise.
5066 (vax_output_int_move): Likewise.
5067 (vax_output_int_add): Likewise.
5068 (legitimate_constant_address_p): Likewise.
5069 (index_term_p): Likewise.
5070 * config/vax/vax.h (PRINT_OPERAND): Likewise.
5071 * config/vax/vax.md (and<mode>3): Likewise.
5072 (ashrsi3): Likewise.
5074 (movstricthi): Likewise.
5075 (movstrictqi): Likewise.
5076 (rotrsi3): Likewise.
5077 (five unnamed insns): Likewise.
5079 2006-03-16 Geoffrey Keating <geoffk@apple.com>
5081 * doc/tm.texi (SDB and DWARF): Add extra parameter to
5082 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
5083 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
5084 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
5085 Pass to ASM_OUTPUT_DWARF_OFFSET.
5086 * dwarf2out.c (debug_frame_section): New.
5087 (output_call_frame_info): Use debug_frame_section. Pass it to
5088 dw2_asm_output_offset.
5089 (output_die): Pass appropriate section to dw2_asm_output_offset.
5090 (output_compilation_unit_header): Likewise.
5091 (output_pubnames): Likewise.
5092 (output_aranges): Likewise.
5093 (enum dw_val_class): Break dw_val_class_lbl_offset into
5094 dw_val_class_lineptr and dw_val_class_macptr.
5095 (add_AT_lbl_offset): Delete.
5096 (add_AT_lineptr): New.
5097 (add_AT_macptr): New.
5098 (AT_lbl): Expect a lineptr or macptr.
5099 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
5100 (attr_checksum): Likewise.
5101 (same_dw_val_p): Likewise.
5102 (size_of_die): Likewise.
5103 (value_format): Likewise.
5104 (output_die): Likewise.
5105 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
5107 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5108 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
5109 * config/darwin-protos.h (darwin_file_start): New.
5110 (darwin_asm_output_dwarf_offset): New.
5111 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
5112 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
5114 * config/darwin.c (darwin_emit_unwind_label): Don't output label
5115 if not EH section; simplify.
5116 (darwin_file_start): New.
5117 (darwin_asm_output_dwarf_offset): New.
5118 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
5120 (DEBUG_INFO_SECTION): Likewise.
5121 (DEBUG_ABBREV_SECTION): Likewise.
5122 (DEBUG_ARANGES_SECTION): Likewise.
5123 (DEBUG_MACINFO_SECTION): Likewise.
5124 (DEBUG_LINE_SECTION): Likewise.
5125 (DEBUG_LOC_SECTION): Likewise.
5126 (DEBUG_PUBNAMES_SECTION): Likewise.
5127 (DEBUG_STR_SECTION): Likewise.
5128 (DEBUG_RANGES_SECTION): Likewise.
5129 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
5130 (ASM_OUTPUT_DWARF_OFFSET): New.
5132 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
5134 * config.gcc (tm_defines): Always add to previous value rather
5137 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5139 * config/mips/predicates.md (splittable_const_int_operand): New,
5140 split from move_operand.
5141 (splittable_symbolic_operand): New.
5142 (move_operand): Add commentary. Use splittable_const_int_operand.
5143 Inline mips_atomic_symbolic_constant_p.
5144 * config/mips/mips.md: Add combine splitters for handling moves
5145 of splittable_const_int_operands and splittable_symbolic_operands.
5146 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
5147 (mips_split_symbol): Declare.
5148 (mips_move_integer): Declare.
5149 * config/mips/mips.c (mips_split_p): Make global.
5150 (TARGET_MIN_ANCHOR_OFFSET): Override default.
5151 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5152 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5153 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
5154 (mips_offset_within_object_p): Handle block symbols.
5155 (mips_atomic_symbolic_constant_p): Delete.
5156 (mips_cannot_force_const_mem): Return false for constants that
5157 mips_legitimize_move can handle.
5158 (mips_use_blocks_for_constant_p): New function.
5159 (mips_split_symbol): Make global.
5160 (mips_move_integer): Likewise. Add a temporary register argument.
5161 (mips_legitimize_const_move): Use splittable_const_int_operand and
5162 splittable_symbolic_operand.
5163 (mips_use_anchors_for_symbol_p): New function.
5164 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
5165 (mips_split_p): Declare.
5167 2006-03-16 Richard Sandiford <richard@codesourcery.com>
5169 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
5170 (mips*-*-linux*): Likewise.
5172 2006-03-16 Roger Sayle <roger@eyesopen.com>
5173 Daniel Speyer <dspeyer@wam.umd.edu>
5176 * tree-dump.c (dump_real): New function.
5177 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
5178 * Makefile.in (REAL_H): New macro for dependencies on real.h.
5179 (tree-dump.o): Add $(REAL_H) to the dependencies.
5181 2006-03-16 Roger Sayle <roger@eyesopen.com>
5184 * real.c (real_from_string): If the mantissa is zero, don't bother
5185 parsing the exponent as the result should always be zero.
5187 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
5189 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
5191 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5193 * config/ia64/ia64.c (stops_p): Added explicit initialization.
5194 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
5195 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
5196 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
5197 ia64_sched_finish_global): New static functions to implement
5198 hooks from gcc_target.sched.
5199 (spec_check_no, max_uid, pending_data_specs): New static variables.
5200 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
5201 ia64_spec_check_src_p): New static functions.
5202 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
5203 (TARGET_SCHED_ADJUST_COST): Removed.
5204 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
5205 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
5206 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5207 TARGET_SCHED_GEN_CHECK,
5208 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5209 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
5210 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
5211 Fixed to handle speculation checks.
5212 (rtx_needs_barrier): Fixed to handle speculative loads and
5214 (ia64_variable_issue): Added code to count speculative loads and their
5216 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
5218 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
5220 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
5222 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
5223 (ia64_reorg): Reset stops_p to NULL after it is freed.
5224 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
5225 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
5226 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
5228 (data_speculative, control_speculative, check_load): New attributes.
5229 (mov<mode>_advanced, mov<mode>_speculative,
5230 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
5231 zero_extend<mode>di2_speculative,
5232 zero_extend<mode>di2_speculative_advanced): New patterns for
5233 data and control speculative loads.
5234 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
5236 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
5237 New pattern for data and control speculation checks.
5238 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
5239 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
5240 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
5241 Auxiliary definitions for the patterns.
5242 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
5243 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
5245 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
5247 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
5248 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
5249 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
5250 New resource constraints.
5251 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
5253 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
5254 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
5255 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5256 msched-in-control-spec, msched-ldc, msched-control-ldc,
5257 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5258 msched-prefer-non-control-spec-insns,
5259 msched-count-spec-in-critical-path): New flags to tune speculative
5261 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
5262 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
5263 msched-in-control-spec, msched-ldc, msched-control-ldc,
5264 msched-spec-verbose, msched-prefer-non-data-spec-insns,
5265 msched-prefer-non-control-spec-insns,
5266 msched-count-spec-in-critical-path): Document new flags.
5268 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5270 * target.h (struct spec_info_def): New opaque declaration.
5271 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
5272 speculate_insn, needs_block_p, gen_check,
5273 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
5274 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
5275 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
5276 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
5277 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5278 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
5280 (TARGET_SCHED): Use new macros.
5281 * rtl.h (copy_DEPS_LIST_list): New prototype.
5282 * sched-int.h (struct sched_info): Change signature of new_ready field,
5283 adjust all initializations. New fields: add_remove_insn,
5284 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
5285 region_head_or_leaf_p.
5286 (struct spec_info_def): New structure declaration.
5287 (spec_info_t): New typedef.
5288 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
5289 recovery_block, orig_pat.
5290 (glat_start, glat_end): New variables declaraions.
5291 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
5293 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
5294 DETACH_LIFE_INFO, USE_GLAT.
5295 (enum SPEC_SCHED_FLAGS): New enumeration.
5296 (NOTE_NOTE_BB_P): New macro.
5297 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
5298 attach_life_info, debug_spec_status, check_reg_live): New functions.
5299 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
5300 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
5302 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
5303 * ddg.c (get_block_head_tail): Adjust all uses.
5304 * modulo-sched.c (get_block_head_tail): Adjust all uses.
5305 (sms_sched_info): Initialize new fields.
5306 (contributes_to_priority): Removed.
5307 * haifa-sched.c (params.h): New include.
5308 (get_block_head_tail): Adjust all uses.
5309 (ISSUE_POINTS): New macro.
5310 (glat_start, glat_end): New global variables.
5311 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
5312 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
5313 old_last_basic_block, before_recovery, current_sched_info_var,
5314 rgn_n_insns, luid): New static variables.
5315 (insn_cost1): New function. Move logic from insn_cost to here.
5316 (find_insn_reg_weight1): New function. Move logic from
5317 find_insn_reg_weight to here.
5318 (reemit_notes, move_insn, max_issue): Change signature.
5319 (move_insn1): Removed.
5320 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
5321 extend_bb): New static functions to support extension of scheduler's
5323 (generate_recovery_code, process_insn_depend_be_in_spec,
5324 begin_speculative_block, add_to_speculative_block,
5325 init_before_recovery, create_recovery_block, create_check_block_twin,
5326 fix_recovery_deps): New static functions to support
5327 generation of recovery code.
5328 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
5329 restore_bb_notes, move_block_after_check, move_succs): New static
5330 functions to support ebb scheduling.
5331 (init_glat, init_glat1, attach_life_info1, free_glat): New static
5332 functions to support handling of register live information.
5333 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
5334 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
5335 add_jump_dependencies): New static functions.
5336 (check_cfg, has_edge_p, check_sched_flags): New static functions for
5337 consistancy checking.
5338 (debug_spec_status): New function to call from debugger.
5339 (priority): Added code to handle speculation checks.
5340 (rank_for_schedule): Added code to distinguish speculative instructions.
5341 (schedule_insn): Added code to handle speculation checks.
5342 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
5343 Fixed to handle ebbs.
5344 (move_insn): Added code to handle ebb scheduling.
5345 (max_issue): Added code to use ISSUE_POINTS of instructions.
5346 (choose_ready): Added code to choose between speculative and
5347 non-speculative instructions.
5348 (schedule_block): Added code to handle ebb scheduling and scheduling of
5349 speculative instructions.
5350 (sched_init): Initialize new variables.
5351 (sched_finish): Free new variables. Print statistics.
5352 (try_ready): Added code to handle speculative instructions.
5353 * lists.c (copy_DEPS_LIST_list): New function.
5354 * sched-deps.c (extend_dependency_caches): New function. Move logic
5355 from create_dependency_caches to here.
5356 (get_dep_weak, ds_merge): Make global.
5357 * genattr.c (main): Code to output prototype for
5358 dfa_clear_single_insn_cache.
5359 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
5360 (output_dfa_clean_insn_cache_func): Code to output
5361 dfa_clear_single_insn_cache function.
5362 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
5364 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
5366 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
5367 New static variables.
5368 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
5369 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
5371 (ebb_sched_info): Initialize new fields.
5372 (get_block_head_tail): Adjust all uses.
5373 (compute_jump_reg_dependencies): Fixed to use glat_start.
5374 (schedule_ebb): Code to remove unreachable last block.
5375 (schedule_ebbs): Added code to update register live information.
5376 * sched-rgn.c (region_sched_info): Initialize new fields.
5377 (get_block_head_tail): Adjust all uses.
5378 (last_was_jump): Removed. Adjust users.
5379 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
5380 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
5381 Implement new hooks.
5382 (check_dead_notes1): New static function.
5383 (struct region): New fields: dont_calc_deps, has_real_ebb.
5384 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
5385 (BB_TO_BLOCK): Fixed to handle EBBs.
5386 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
5387 (ebb_head): New static variable.
5388 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
5389 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
5391 (compute_dom_prob_ps): New assertion.
5392 (check_live_1, update_live_1): Fixed to work with glat_start instead of
5393 global_live_at_start.
5394 (init_ready_list): New assertions.
5395 (can_schedule_ready_p): Split update code to begin_schedule_ready.
5396 (new_ready): Add support for BEGIN_CONTROL speculation.
5397 (schedule_insns): Fixed code that updates register live information
5399 (schedule_region): Fixed to handle EBBs.
5400 (init_regions): Use extend_regions and check_dead_notes1.
5401 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
5402 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
5403 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
5404 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
5405 TARGET_SCHED_GEN_CHECK,
5406 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
5407 TARGET_SCHED_SET_SCHED_FLAGS): Document.
5408 * doc/invoke.texi (max-sched-insn-conflict-delay,
5409 sched-spec-prob-cutoff): Document.
5411 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5413 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
5414 inter_tick, queue_index.
5415 (struct sched_info): Change signature of init_ready_list field.
5416 Adjust all initializations.
5417 (RESOLVED_DEPS): New access macro.
5418 (ready_add): Remove prototype.
5419 (try_ready): Add prototype.
5420 * sched-rgn.c (init_ready_list): Use try_ready.
5421 (schedule_region): Initialize
5422 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
5423 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
5424 (init_ready_list): Use try_ready.
5425 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
5426 * lists.c (remove_list_elem): Remove `static'.
5427 (remove_free_INSN_LIST_elem): New function.
5428 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
5429 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
5430 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
5432 (readyp): New variable.
5433 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
5434 change_queue_index, resolve_dep): New static functions.
5435 (try_ready): New function. Adjust callers in sched-rgn.c and
5436 sched-ebb.c to use it instead of ready_add.
5437 (clock_var): Move at the begining of file.
5438 (rank_for_schedule): Fix typo.
5439 (queue_insn): Add assertion. Handle QUEUE_INDEX.
5440 (ready_lastpos): Enforce assertion.
5441 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
5443 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
5444 (schedule_insn): Rewrite to use try_ready and resolve_dep.
5445 (queue_to_ready): Use free_INSN_LIST_list.
5446 (early_queue_to_ready): Fix typo.
5447 (schedule_block): Init readyp. Move init_ready_list call after the
5448 initialization of clock_var. Fix error in rejecting insn by
5449 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
5450 that previously corrected INSN_TICKs. Add code for handling
5452 (set_priorities): Fix typo.
5453 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
5454 Clarify comment and code that keeps current_sched_info->next_tail
5457 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5459 * sched-rgn.c (extend_rgns): New static function.
5460 (find_rgns): Use it.
5461 (gather_region_statistics, print_region_statistics): New static
5463 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
5464 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5466 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5467 Andrey Belevantsev <abel@ispras.ru>
5469 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
5470 * lists.c (unused_deps_list): New variable.
5471 (free_list): Add assertions to verify the proper distinguishing
5472 between INSN_LISTs and DEPS_LISTs.
5473 (find_list_elem, remove_list_elem, remove_list_node): New static
5475 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
5476 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
5477 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
5478 (alloc_INSN_LIST): Assert that the list we're working on is indeed
5480 (free_INSN_LIST_node): Likewise.
5481 * modulo-sched.c (current_sched_info): Initialize flags field.
5482 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
5483 * rtl.def (DEPS_LIST): Define.
5484 * rtl.h: Declare new functions from lists.c.
5485 * sched-deps.c (spec_dependency_cache): New static variable.
5486 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
5487 (add_dependence): Change return type to void. Move the logic to ...
5488 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
5489 (delete_all_dependences): Add comment about forward_dependency_cache.
5490 Handle spec_dependency_cache. Handle DEPS_LISTs.
5491 (fixup_sched_groups): Clarify the change of priority of output
5492 and anti dependencies.
5493 (sched_analyze_2): Adjust add_dependence calls to create data
5494 speculative dependence.
5495 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
5496 Adjust all callers. Handle DEPS_LISTS.
5497 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
5498 presence of speculation.
5499 (init_dependency_caches, free_dependency_caches):
5500 Handle spec_dependency_cache.
5501 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
5502 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
5503 New static functions.
5504 (add_or_update_back_dep, add_or_update_back_forw_dep,
5505 add_back_forw_dep, delete_back_forw_dep): New functions.
5506 * sched-int.h (ds_t, dw_t): New typedefs.
5507 (struct sched_info): Add new field flags.
5508 (struct haifa_insn_data): Add new bitfield has_internal_dep.
5509 Prototype new sched-deps.c functions.
5510 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
5511 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
5512 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
5513 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
5514 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
5515 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
5517 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
5519 * sched-rgn.c (current_sched_info): Initialize flags field.
5520 (schedule_insns): Initialize current_sched_info before the sched_init
5522 * sched-ebb.c (current_sched_info): Initialize flags field.
5523 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
5524 Call add_or_update_back_dep instead of add_dependence.
5525 Create control speculative dependencies.
5526 (schedule_insns): Initialize current_sched_info before the sched_init
5529 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
5531 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
5533 (sh_fallback_frame_state): Likewise.
5535 2006-03-15 Geoffrey Keating <geoffk@apple.com>
5537 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
5538 Do switch on default_use_cxa_atexit.
5539 (powerpc*-*-darwin*): Build crt2.o on powerpc.
5540 * config/darwin-crt3.o: New.
5541 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
5542 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
5543 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
5545 * config/rs6000/t-darwin: Move crt2.o building to here.
5546 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
5547 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
5550 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5552 * config/vax/vax.c (nonindexed_address_p): Change logical negation
5553 from '! xxx' to '!xxx' for coding-style conformance.
5554 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
5555 (EXTRA_CONSTRAINT): Likewise.
5556 * config/vax/vax.md (four unnamed insns): Likewise.
5558 2006-03-15 Paul Brook <paul@codesourcery.com>
5560 * config/arm/arm.c (minipool_pad): New.
5561 (add_minipool_forward_ref): Include pool alignment padding in address
5563 (push_minipool_fix): Set minipool_pad.
5564 (minipool_pad): Ditto.
5566 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
5568 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
5569 instead of GET_CODE() == MEM and REG_P() instead of
5571 (print_operand_address): Likewise.
5572 (vax_address_cost): Likewise.
5573 (vax_rtx_costs): Likewise.
5574 (vax_notice_update_cc): Likewise.
5575 (vax_output_int_add): Likewise.
5576 (INDEX_REGISTER_P): Likewise.
5577 (BASE_REGISTER_P): Likewise.
5578 (nonindexed_address_p): Likewise.
5579 (vax_mode_dependent_address_p): Likewise.
5580 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
5581 (PRINT_OPERAND): Likewise.
5582 * config/vax/vax.md (ashlsi3): Likewise.
5583 (ashlsi3): Likewise.
5584 (some more unnamed insns): Likewise.
5586 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
5588 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
5589 iterator-style macro.
5590 (mark_control_dependent_edges_necessary): Update the use of
5591 EXECUTE_IF_CONTROL_DEPENDENT.
5593 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
5595 * config/sh/predicates.md (cache_address_operand): Special.
5596 (ua_address_operand): Likewise.
5598 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
5600 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
5602 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
5604 2006-03-15 Andreas Schwab <schwab@suse.de>
5606 * gensupport.c (identify_predicable_attribute): Don't free p_false
5607 when it is still in use.
5609 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
5611 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
5612 the default setting here.
5614 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
5616 * tree-pass.h (pass_cfg): Remove.
5617 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
5618 * passes.c (pass_cfg): Don't run it.
5620 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
5622 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
5623 * reg-stack.c (stack_regs_mentioned_data): Change the type to
5625 (stack_regs_mentioned): Update the uses of
5626 stack_regs_mentioned_data. Don't access the array beyond its
5628 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
5629 Don't include gt-reg-stack.h.
5631 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
5632 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
5634 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
5637 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
5640 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5642 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
5644 2006-03-14 Richard Guenther <rguenther@suse.de>
5646 PR tree-optimization/26672
5647 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
5650 2006-03-14 Richard Guenther <rguenther@suse.de>
5652 PR tree-optimization/26667
5653 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
5654 node for the callees. Always allow inlining if it will shrink
5657 2006-03-14 Richard Guenther <rguenther@suse.de>
5660 * builtins.c (get_pointer_alignment): Prefer alignment
5661 information from decls over that from types.
5663 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
5666 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
5668 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
5670 * config/rs6000/rs6000.opt (mdlmzb): New option.
5671 (msched-prolog, msched-epilog): Use Var not Mask.
5672 * doc/invoke.texi (-mdlmzb): Document.
5673 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
5675 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
5676 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
5678 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
5680 PR rtl-optimization/25739
5681 * bt-load.c (augment_live_range): Free tos pointer.
5683 * gensupport.c (identify_predicable_attribute): Free
5685 * gcov.c (create_file_names): Free name pointer.
5687 2006-03-13 Roger Sayle <roger@eyesopen.com>
5690 * stmt.c (emit_case_nodes): Handle the case where the index is a
5691 CONST_INT, where the comparison mode is specified by the index type.
5693 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5695 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
5698 2006-03-13 Richard Sandiford <richard@codesourcery.com>
5700 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
5701 (*branch_fp_inverted): Likewise.
5703 2006-03-13 Jakub Jelinek <jakub@redhat.com>
5706 * omp-low.c (expand_omp_for_generic): Mark istart0
5707 and iend0 as addressable.
5709 2006-03-13 Jie Zhang <jie.zhang@analog.com>
5711 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
5713 2006-03-13 Jeff Law <law@redhat.com>
5715 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
5716 virtual operands are interesting.
5717 (vrp_visit_stmt): Corresponding changes.
5719 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
5721 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
5723 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
5724 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
5725 * config/bfin/crti.S: Use it instead of __PIC__.
5726 * config/bfin/crtn.S: Likewise.
5728 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
5729 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
5731 Lose 'G' modifier for call operand.
5732 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
5733 recognize 'G' modifier.
5735 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
5738 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
5739 * stmt.c (expand_case): Likewise.
5741 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5743 PR rtl-optimization/26254
5744 * loop-invariant.c (seq_insns_valid_p): New function.
5745 (move_invariant_reg): Only emit new code if it is valid.
5747 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5749 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
5751 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
5752 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
5753 (commit_one_edge_insertion): Do not look for loop notes.
5755 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5757 * jump.c (follow_jumps): Do not check for loop notes. Move check for
5758 flag_test_coverage out of loop.
5760 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5762 * final.c (shorten_branches): Remove outdated comment, and turn
5763 the if branch that guards it to continue.
5765 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5767 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
5768 * cfgloop.h (struct loop): Remove unused fields.
5770 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
5772 * doc/invoke.texi (-fdump-rtl-loop): Remove.
5773 (-dL, -fdump-rtl-loop2): Update the dump file names
5775 * doc/invoke.texi: Update dump file names.
5777 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
5779 * predict.c (estimate_probability): Remove.
5780 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
5781 * basic-block.h (estimate_probability): Remove prototype.
5782 * passes.c (finish_optimization_passes): Dump branch prediction or
5783 profiling heuristics to the .profile tree dump.
5784 (init_optimization_passes): Unqueue pass_branch_prob.
5786 * doc/invoke.texi (-fdump-rtl-bp): Remove.
5788 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
5790 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
5791 * rtl.h (LABEL_NEXTREF): Remove field accessor.
5793 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
5795 * function.h (frame_offset_overflow): Declare.
5796 * function.c (frame_offset_overflow): New function.
5797 (assign_stack_local_1): Call it to detect that the offset overflows.
5798 * cfgexpand.c (alloc_stack_frame_space): Likewise.
5800 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
5802 * config/sh/sh.c: Include alloc-pool.h.
5803 (label_ref_list_pool): New alloc pool.
5804 (label_ref_list_t): New type for lists of labels.
5805 (struct pool_node): Make wend a label_ref_list_t.
5806 (add_constant): Use the new type, eradicate LABEL_NEXTREF
5808 (dump_table): Likewise.
5809 (sh_reorg): Set up the alloc pool before using add_constant and
5810 dump_table, and destroy it when finishing.
5812 2006-03-11 Richard Sandiford <richard@codesourcery.com>
5814 * config/mips/mips.c: Remove redundant comment.
5816 2006-03-10 Jason Merrill <jason@redhat.com>
5819 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
5820 the target was declared 'register'.
5822 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
5824 * genpreds.c (write_insn_constraint_len): Change definition of
5825 insn_constraint_len to return size_t to match the declaration.
5827 2006-03-10 DJ Delorie <dj@redhat.com>
5829 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
5831 (m32c_expand_insv): Fix test for an AND mask.
5833 2006-03-10 Richard Guenther <rguenther@suse.de>
5836 * builtins.c (get_pointer_alignment): Handle component
5837 references for field alignment.
5839 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
5841 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
5842 when building with libgloss.
5843 (sh*elf): Implement --without-fp option.
5844 (sh64-superh-linux*): Don't multilib.
5846 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
5848 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
5850 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
5852 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
5853 Set it when one of the replacement functions returned true.
5854 Return TODO_cleanup_cfg if cfgchanged is true.
5855 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
5857 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
5859 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
5860 instead of gen_lowpart.
5862 2006-03-09 Richard Sandiford <richard@codesourcery.com>
5864 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
5866 (mips_output_order_conditional_branch): Declare.
5867 * config/mips/mips.h (MIPS_BRANCH): New macro.
5868 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
5869 for the comparison. Use gen_condjump.
5870 (mips_output_conditional_branch): Rework interface to take the
5871 asm templates for a direct branch and the inverse of a direct branch.
5872 (mips_output_order_conditional_branch): New function.
5873 (mips_builtin_branch_and_move): New function.
5874 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
5875 branch condition. Use gen_single_cc as the condition for
5876 __builtin_mips_upper_* or __builtin_mips_lower_*.
5877 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
5878 Use VOIDmode for the branch condition.
5879 * config/mips/predicates.md (order_operator): New predicate.
5880 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
5881 (branch_fp): Rename to...
5882 (*branch_fp): ...this. Remove mode from comparison operator.
5883 Use new mips_output_conditional_branch interface.
5884 (branch_fp_inverted): Rename to...
5885 (*branch_fp_inverted): ...this and update as for *branch_fp.
5886 (*branch_zero<mode>): Rename to...
5887 (*branch_order<mode>): ...this. Remove mode from comparison operator.
5888 Use mips_output_order_conditional_branch. Only accept ordered
5890 (*branch_zero<mode>_inverted): Rename to...
5891 (*branch_order<mode>_inverted): ...this and update as for
5892 *branch_order<mode>.
5893 (*branch_equality<mode>): Accept zero as the second operand to
5894 the equality operator. Use the new mips_output_conditional_branch
5896 (*branch_equality<mode>_inverted): Likewise.
5897 (condjump): New expander.
5898 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
5900 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
5901 (bc1any2t, bc1any2f): Likewise.
5902 (single_cc): New expander.
5903 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
5905 2006-03-09 Richard Sandiford <richard@codesourcery.com>
5907 * doc/md.texi: Update documentation of MIPS constraints.
5908 * config/mips/constraints.md: New file.
5909 * config/mips/mips.md: Include it.
5910 * config/mips/mips.c (mips_char_to_class): Delete.
5911 (override_options): Don't initialize mips_char_to_class.
5912 * config/mips/mips.h (mips_char_to_class): Delete.
5913 (REG_CLASS_FROM_LETTER): Delete.
5914 (CONST_OK_FOR_LETTER_P): Delete.
5915 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
5916 (EXTRA_CONSTRAINT_Y): Delete.
5917 (EXTRA_CONSTRAINT_STR): Delete.
5918 (CONSTRAINT_LEN): Delete.
5919 (EXTRA_MEMORY_CONSTRAINT): Delete.
5921 2006-03-09 Diego Novillo <dnovillo@redhat.com>
5923 * tree-cfg.c (move_block_to_fn): Remove the statements from the
5924 original fn's eh regions.
5926 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
5928 * fold-const.c (build_range_check): Make sure to use a valid type to
5929 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
5932 (range_predecessor): New static function.
5933 (range_successor): Likewise.
5934 (merge_ranges): Use them to compute predecessors and successors of
5937 2006-03-09 Roger Sayle <roger@eyesopen.com>
5940 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
5941 X op C3, consider whether C3 overflows towards +Inf or -Inf.
5943 2006-03-08 DJ Delorie <dj@redhat.com>
5945 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
5946 (addpsi3): Expand to include memory operands. Remove
5947 reload-specific splits.
5948 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
5949 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
5950 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
5951 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
5952 (shift1_qi, shift1_hi, insv): New.
5953 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
5954 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
5955 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
5957 * config/m32c/m32c-protos.h: Update as needed.
5958 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
5959 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
5960 Fail for unrecognized R* constraints.
5961 (m32c_cannot_change_mode_class): Be more picky about pseudos.
5962 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
5963 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
5965 (m32c_init_libfuncs): New.
5966 (m32c_legitimate_address_p): Add debug wrapper.
5967 (m32c_rtx_costs): New.
5968 (m32c_address_cost): New.
5969 (conversions): Add 'B' prefix.
5970 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
5971 operands, or word regnames for QI operands. 'B' prints bit
5973 (m32c_expand_setmemhi): New.
5974 (m32c_expand_movmemhi): New.
5975 (m32c_expand_movstr): New.
5976 (m32c_expand_cmpstr): New.
5977 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
5978 (m32c_expand_neg_mulpsi3): Handle non-ints.
5979 (m32c_cmp_flg_0): New.
5980 (m32c_expand_movcc): New.
5981 (m32c_expand_insv): New.
5982 (m32c_scc_pattern): New.
5983 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
5984 a0/a1 out of SIregs.
5985 (STORE_FLAG_VALUE): New.
5986 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
5989 * config/m32c/mov.md: Make constraints more liberal.
5990 (zero_extendqihi2): Optimize r0/r1 case.
5991 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
5992 * config/m32c/predicates.md (m32c_any_operand): New.
5993 (m32c_nonimmediate_operand): New.
5994 (m32c_hl_operand): New.
5995 (m32c_r3_operand): New.
5998 (memsym_operand): New.
5999 (memimmed_operand): New.
6000 (a_qi_operand): New.
6001 (m32c_eqne_operator): New.
6002 (m32c_1bit8_operand): New.
6003 (m32c_1bit16_operand): New.
6004 (m32c_1mask8_operand): New.
6005 (m32c_1mask16_operand): New.
6006 * config/m32c/blkmov.md: New file.
6007 * config/m32c/t-m32c (MD_FILES): Add blkmov.
6009 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
6011 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
6012 unsigned to fix signed/unsigned comparison issue in
6013 DWARF2_FRAME_REG_OUT.
6014 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
6015 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
6017 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
6018 of ptr into the ENABLE_CHECKING section.
6020 2006-03-08 Jeff Law <law@redhat.com>
6022 * tree-vrp.c (infer_value_range): Only count pointer uses
6023 and dereferences if -fdelete-null-pointer-checks is enabled.
6025 * tree-vrp.c (find_assert_locations): Infer value ranges for
6026 single use pointers, but do not create ASSERT_EXPRs for them.
6027 When a non-null range is inferred for a pointer, backwards
6028 propagate that range to other equivalent pointers through the
6031 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
6034 * Makefile.in (dvi, html, install-info): Invoke the corresponding
6035 language hook targets.
6036 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
6037 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
6038 if language hook targets were missing.
6040 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
6042 * tree-ssa-opfinalize.h: Removed.
6043 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
6045 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
6046 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
6047 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
6048 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
6049 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
6050 finalize_ssa_v_must_def_ops): New.
6052 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
6054 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
6057 2006-03-07 Geoffrey Keating <geoffk@apple.com>
6059 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
6061 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
6062 addresses with offsets; reorganize.
6064 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
6065 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
6066 (expand_builtin_init_dwarf_reg_sizes): Likewise.
6068 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
6071 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
6073 2006-03-08 Ben Elliston <bje@au.ibm.com>
6075 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
6077 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
6080 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
6083 2006-03-07 Richard Guenther <rguenther@suse.de>
6085 PR tree-optimization/26587
6086 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
6088 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6090 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
6092 2006-03-07 Richard Sandiford <richard@codesourcery.com>
6094 * hooks.c (hook_bool_mode_rtx_true): New function.
6095 * hooks.h (hook_bool_mode_rtx_true): Declare.
6096 * toplev.c (compile_file): Call output_shared_constant_pool.
6097 * varasm.c (shared_constant_pool): New variable.
6098 (assemble_start_function, assemble_end_function): Remove arguments
6099 from call to output_constant_pool.
6100 (create_constant_pool): New function, split out from...
6101 (init_varasm_status): ...here.
6102 (force_const_mem): Choose between the shared and per-function constant
6103 pools. Set current_function_uses_const_pool when reusing old entries
6104 as well as when creating new ones.
6105 (mark_constant): Ignore data argument.
6106 (mark_constants): Remove pool argument.
6107 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
6108 to decide whether the function uses a constant pool.
6109 (output_constant_pool_contents): New function, split out from...
6110 (output_constant_pool): ...here.
6111 (output_shared_constant_pool): New function.
6112 (init_varasm_once): Initialize shared_constant_pool.
6113 * output.h (output_constant_pool): Delete.
6114 (output_shared_constant_pool): Declare.
6115 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
6116 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
6118 2006-03-06 Nick Clifton <nickc@redhat.com>
6120 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
6121 flag_strength_reduce.
6123 2006-03-06 Ben Elliston <bje@au.ibm.com>
6125 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
6126 x86_64-*-linux* configurations.
6128 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
6129 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
6131 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6133 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
6135 * basic-block.h: Remove the extern for
6136 rediscover_loops_after_threading.
6138 * cfgloop.c (cancel_loop): Make it static.
6139 * cfgloop.h: Remove the prototype for cancel_loop.
6141 * flow.c (recompute_reg_usage): Make it static.
6142 * rtl.h: Remove the prototype for recompute_reg_usage.
6144 * function.c (use_return_register): Make it static.
6145 * function.h: Remove the prototype.
6147 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6149 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
6151 * recog.h: Remove the prototype for
6152 validate_change_maybe_volatile.
6154 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6156 * rtlanal.c (replace_reg): Remove.
6157 * rtl.h: Remove the prototype for replace_reg.
6159 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
6161 * regclass.c (reg_scan_update): Remove.
6162 (reg_scan_mark_refs): Remove the last argument.
6163 * rtl.h: Remove the prototype for reg_scan_update.
6165 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6167 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
6168 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
6169 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
6170 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
6171 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
6172 loop-invariant.c, omp-low.c, opts.c, passes.c,
6173 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
6174 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
6175 tree-ssa-structalias.c, tree-ssa-threadedge.c,
6176 tree-ssa-threadupdate.c, tree-vect-patterns.c,
6177 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
6178 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
6180 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6182 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
6183 * dwarf2out.h: Remove the prototype for
6184 dwarf2out_add_library_unit_info.
6186 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6188 * tree.c (add_var_to_bind_expr): Remove.
6189 * tree.h: Remove the prototype for add_var_to_bind_expr.
6191 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6193 * regclass.c (n_non_fixed_regs): Remove.
6194 (init_reg_sets_1, globalize_reg): Remove all uses of
6196 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
6198 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6200 * rtlanal.c (insns_safe_to_move_p): Remove.
6201 * rtl.h: Remove the prototype for insns_safe_to_move_p.
6203 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
6205 * expmed.c (expand_mult_add): Remove.
6206 * expr.h: Remove the prototype for expand_mult_add.
6208 2006-03-04 Jakub Jelinek <jakub@redhat.com>
6210 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
6211 and REG_SAVED_VAL_EXP constants.
6212 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
6213 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6214 Handle regs stored by value.
6215 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
6216 (execute_cfa_program): Handle DW_CFA_val_offset,
6217 DW_CFA_val_offset_sf and DW_CFA_val_expression.
6218 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
6219 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
6220 (uw_install_context_1): Handle target regs stored by value.
6222 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
6224 * tree-sra.c (tree_sra): Return todoflags;
6225 (generate_one_element): Set TODO_update_smt_usage if needed.
6226 (pass_sra): Remove TODO_update_smt_usage.
6227 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
6229 (tree_ssa_forward_propagate_single_use_vars): Return
6230 TODO_update_smt_usage if we need to update SMT usage.
6231 (pass_forwprop): Remove TODO_update_smt_usage.
6233 2006-03-03 Diego Novillo <dnovillo@redhat.com>
6235 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
6236 (correct_use_link): Remove reference to get_stmt_operands.
6237 (update_stmt_operands): Likewise.
6238 (get_modify_expr_operands): New function factored out of
6239 parse_ssa_operands and get_expr_operands.
6240 Try to create V_MUST_DEFs for LHS by default.
6241 (get_expr_operands) <case MODIFY_EXPR>: Call
6242 get_modify_expr_operands.
6243 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
6244 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
6245 (parse_ssa_operands) <case MODIFY_EXPR>: Call
6246 get_modify_expr_operands.
6248 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
6250 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
6251 * tree-flow.h: Remove the prototype for
6252 referenced_var_lookup_if_exists.
6254 2006-03-03 Steve Ellcey <sje@cup.hp.com>
6256 PR rtl-optimization/26345
6258 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
6260 2006-03-03 Roger Sayle <roger@eyesopen.com>
6262 PR tree-optimization/26524
6263 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
6264 fold_convert to create a constant of the appropriate type.
6266 2006-03-03 Richard Sandiford <richard@codesourcery.com>
6268 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6269 SYMBOL_REF_IN_BLOCK_P.
6270 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
6271 of SYMBOL_FLAG_IN_BLOCK.
6272 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
6273 instead of SYMBOL_REF_IN_BLOCK_P.
6274 * explow.c (use_anchored_address): Likewise.
6275 * rtl.c (rtx_size): Likewise.
6276 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
6277 instead of SYMBOL_FLAG_IN_BLOCK.
6278 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6279 SYMBOL_REF_IN_BLOCK_P.
6280 (assemble_variable): Likewise.
6281 (output_constant_def_contents): Likewise.
6282 (output_constant_pool): Likewise.
6283 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
6284 instead of SYMBOL_FLAG_IN_BLOCK.
6285 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6286 SYMBOL_REF_IN_BLOCK_P.
6287 (SYMBOL_REF_BLOCK): Likewise.
6288 (SYMBOL_REF_OFFSET): Likewise.
6289 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
6290 SYMBOL_REF_IN_BLOCK_P.
6291 (SYMBOL_FLAG_IN_BLOCK): Replace with...
6292 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
6293 (SYMBOL_REF_IN_BLOCK_P): Replace with...
6294 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
6296 2006-03-03 Jakub Jelinek <jakub@redhat.com>
6298 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
6300 2006-03-02 Roger Sayle <roger@eyesopen.com>
6302 * simplify-rtx.c (simplify_unary_operation): When simplifying
6303 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
6304 that we perform the right shift in the appropriate mode, and
6305 then extend or truncate the result to requested mode.
6307 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
6309 * gengtype.c (main): Handle double_int type.
6310 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
6311 * double-int.c: New file.
6312 * double-int.h: New file.
6313 * system.h: Include doubleint.h.
6314 * Makefile.in (SYSTEM_H): Include double-int.h.
6315 (double-int.o): Add.
6317 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
6320 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
6323 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6325 * tree-vrp.c (remove_range_assertions): Do not update statements
6328 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6330 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
6332 * gcse.c (rest_of_handle_gcse): Ditto.
6333 * except.c (gate_handle_eh): Ditto.
6334 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
6335 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
6337 2006-03-02 Eric Christopher <echristo@apple.com>
6339 * config/i386/i386.c (machopic_output_stub): Add indirection to
6342 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
6346 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
6348 Sun Niagara specific optimizations.
6349 * config.gcc: Recognize niagara as target.
6350 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
6351 (TARGET_CPU_niagara): Define.
6352 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
6353 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
6354 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6355 (ASM_CPU_SPEC): Likewise.
6356 (PROCESSOR_NIAGARA): New enum entry.
6357 (REGISTER_MOVE_COST): Handle Niagara.
6358 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
6359 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
6360 (sparc_override_options): Recognize "niagara", set appropriate
6361 default MASK_* values for it, and align functions to 32-bytes
6362 by default just like ULTRASPARC/ULTRASPARC3.
6363 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
6364 (sparc64_initialize_trampoline): Likewise.
6365 (sparc_use_sched_lookahead): Use zero for niagara.
6366 (sparc_issue_rate): Use one for niagara.
6367 * config/sparc/niagara.md: New file.
6368 * config/sparc/sparc.md: Include it.
6369 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
6370 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
6371 when default cpu is niagara.
6372 (CPP_CPU_SPEC): Handle -mcpu=niagara.
6373 (ASM_CPU_SPEC): Likewise.
6374 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
6375 when default cpu is niagara.
6376 (ASM_CPU_SPEC): Handle -mcpu=niagara.
6377 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
6378 just like v9/ultrasparc/ultrasparc3.
6379 * doc/invoke.texi: Add documentation for "niagara" and improve
6380 existing documentation for ultrasparc variants.
6382 2006-03-02 Diego Novillo <dnovillo@redhat.com>
6384 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
6386 2006-03-02 Richard Sandiford <richard@codesourcery.com>
6388 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
6389 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
6390 and say that only one is needed.
6391 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
6392 * target.h (have_switchable_bss_sections): New hook.
6393 * explow.c (use_anchored_address): Check that the symbol is in a block.
6394 * varasm.c (tls_comm_section, comm_section, lcomm_section)
6395 (bss_noswitch_section): New variables.
6396 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
6397 (get_noswitch_section): New function.
6398 (get_block_for_section): Allow SECT to be null.
6399 (unlikely_text_section_p): Use SECTION_STYLE.
6400 (bss_initializer_p): New function.
6401 (get_variable_section): Move earlier in file. Take a new argument,
6402 prefer_noswitch_p. Move bss checks from assemble_variable to here.
6403 Return one of the new *_sections in such cases.
6404 (get_block_for_decl): New function, extracting some logic from
6405 use_blocks_for_decl_p.
6406 (change_symbol_section): Remove in favor of...
6407 (change_symbol_block): ...this new function.
6408 (use_blocks_for_decl_p): Remove checks now performed by
6410 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
6411 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
6412 (emit_local, emit_bss, emit_common): ...these new functions.
6413 Return true if the alignment was honored.
6414 (emit_tls_common): New function.
6415 (asm_emit_uninitialised): Delete.
6416 (assemble_variable_noswitch): New function, split out from...
6417 (assemble_variable): ...here. Don't make decisions about common
6418 variables here. Globalize all public decls that go into non-common
6419 sections. Check whether SYMBOL_REF_BLOCK is null.
6420 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
6421 (output_constant_pool): Likewise.
6422 (init_varasm_once): Initialize the new section variables.
6423 (have_global_bss_p): New function.
6424 (categorize_decl_for_section): Use bss_initializer_p.
6425 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
6426 (place_block_symbol): Assert that the symbol must be in a block.
6427 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
6428 (TARGET_INITIALIZER): Include it.
6429 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
6430 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
6431 (SECTION_MACH_DEP): Bump by two.
6432 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
6433 (unnamed_section): Mention SECTION_UNNAMED in comment.
6434 (named_section): Likewise SECTION_NAMED.
6435 (noswitch_section_callback): New type.
6436 (noswitch_section): New structure.
6437 (section): Add a noswitch_section alternative.
6438 (SECTION_STYLE): New macro.
6439 (tls_comm_section, comm_section, lcomm_section): Declare.
6440 (bss_noswitch_section, have_global_bss_p): Declare.
6441 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6442 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6444 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
6445 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
6448 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
6450 * tree-vrp.c (execute_vrp): Return value.
6451 * regrename.c (rest_of_handle_regrename): Ditto.
6452 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
6453 * tree-complex.c (tree_lower_complex): Ditto.
6454 (tree_lower_complex_O0): Ditto.
6455 * tracer.c (rest_of_handle_tracer): Ditto.
6456 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
6457 * postreload.c (rest_of_handle_postreload): Ditto.
6458 * tree-tailcall.c (execute_tail_recursion): Ditto.
6459 (execute_tail_calls): Ditto.
6460 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6461 * tree.h (init_function_for_compilation): Ditto.
6462 * ipa-cp.c (ipcp_driver): Ditto.
6463 * tree-scalar-evolution.c (scev_const_prop): Ditto.
6464 * tree-scalar-evolution.h (scev_const_prop): Ditto.
6465 * final.c (compute_alignments): Ditto.
6466 (rest_of_handle_final): Ditto.
6467 (rest_of_handle_shorten_branches): Ditto.
6468 (rest_of_clean_state): Ditto.
6469 * omp-low.c (execute_expand_omp): Ditto.
6470 (execute_lower_omp): Ditto.
6471 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
6472 * ipa-reference.c (static_execute): Ditto.
6473 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
6474 * reorg.c (rest_of_handle_delay_slots): Ditto.
6475 (rest_of_handle_machine_reorg): Ditto.
6476 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
6477 * flow.c (recompute_reg_usage): Ditto.
6478 (rest_of_handle_remove_death_notes): Ditto.
6479 (rest_of_handle_life): Ditto.
6480 (rest_of_handle_flow2): Ditto.
6481 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
6482 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
6483 (do_ssa_store_ccp): Ditto.
6484 (execute_fold_all_builtins): Ditto.
6485 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
6486 * modulo-sched.c (rest_of_handle_sms): Ditto.
6487 * ipa-pure-const.c (static_execute): Ditto.
6488 * cse.c (rest_of_handle_cse): Ditto.
6489 (rest_of_handle_cse2): Ditto.
6490 * web.c (rest_of_handle_web): Ditto.
6491 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
6492 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
6493 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
6494 * tree-nrv.c (tree_nrv): Ditto.
6495 (execute_return_slot_opt): Ditto.
6496 * tree-ssa-alias.c (compute_may_aliases): Ditto.
6497 (create_structure_vars): Ditto.
6498 * loop-init.c (rtl_loop_init): Ditto.
6499 (rtl_loop_done): Ditto.
6500 (rtl_move_loop_invariants): Ditto.
6501 (rtl_unswitch): Ditto.
6502 (rtl_unroll_and_peel_loops): Ditto.
6503 (rtl_doloop): Ditto.
6504 * gimple-low.c (lower_function_body): Ditto.
6505 (mark_used_blocks): Ditto.
6506 * tree-ssa-sink.c (execute_sink_code): Ditto.
6507 * ipa-inline.c (cgraph_decide_inlining): Ditto.
6508 (cgraph_early_inlining): Ditto.
6509 * global.c (rest_of_handle_global_alloc): Ditto.
6510 * jump.c (cleanup_barriers): Ditto.
6511 (purge_line_number_notes): Ditto.
6512 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
6513 (rest_of_handle_if_after_reload): Ditto.
6514 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
6515 (tree_ssa_loop_im): Ditto.
6516 (tree_ssa_loop_unswitch): Ditto.
6517 (tree_vectorize): Ditto.
6518 (tree_linear_transform): Ditto.
6519 (tree_ssa_loop_ivcanon): Ditto.
6520 (tree_ssa_empty_loop): Ditto.
6521 (tree_ssa_loop_bounds): Ditto.
6522 (tree_complete_unroll): Ditto.
6523 (tree_ssa_loop_prefetch): Ditto.
6524 (tree_ssa_loop_ivopts): Ditto.
6525 (tree_ssa_loop_done): Ditto.
6526 * predict.c (tree_estimate_probability): Ditto.
6527 * recog.c (split_all_insns_noflow): Ditto.
6528 (rest_of_handle_peephole2): Ditto.
6529 (rest_of_handle_split_all_insns): Ditto.
6530 * tree-eh.c (lower_eh_constructs): Ditto.
6531 * regmove.c (rest_of_handle_regmove): Ditto.
6532 (rest_of_handle_stack_adjustments): Ditto.
6533 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
6534 * function.c (instantiate_virtual_regs): Ditto.
6535 (init_function_for_compilation): Ditto.
6536 (rest_of_handle_check_leaf_regs): Ditto.
6537 * gcse.c (rest_of_handle_jump_bypass): Ditto.
6538 (rest_of_handle_gcse): Ditto.
6539 * ipa-type-escape.c (type_escape_execute): Ditto.
6540 * alias.c (rest_of_handle_cfg): Ditto.
6541 * tree-if-conv.c (main_tree_if_conversion): Ditto.
6542 * profile.c (rest_of_handle_branch_prob): Ditto.
6543 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
6544 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
6545 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
6546 * tree-dfa.c (find_referenced_vars): Ditto.
6547 * except.c (set_nothrow_function_flags): Ditto.
6548 (convert_to_eh_region_ranges): Ditto.
6549 (rest_of_handle_eh): Ditto.
6550 * emit-rtl.c (unshare_all_rtl): Ditto.
6551 (remove_unnecessary_notes): Ditto.
6552 * except.h (set_nothrow_function_flags): Ditto.
6553 (convert_to_eh_region_ranges): Ditto.
6554 * cfgexpand.c (tree_expand_cfg): Ditto.
6555 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
6556 * tree-ssa-pre.c (do_pre): Ditto.
6557 (execute_fre): Ditto.
6558 * cfgcleanup.c (rest_of_handle_jump): Ditto.
6559 (rest_of_handle_jump2): Ditto.
6560 * tree-sra.c (tree_sra): Ditto.
6561 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
6562 (execute_mudflap_function_decls): Ditto.
6563 * tree-ssa-copy.c (do_copy_prop): Ditto.
6564 (do_store_copy_prop): Ditto.
6565 * ipa-prop.h (ipcp_driver): Ditto.
6566 * cfglayout.c (insn_locators_initialize): Ditto.
6567 * tree-ssa-forwprop.c
6568 (tree_ssa_forward_propagate_single_use_vars): Ditto.
6569 * cfglayout.h (insn_locators_initialize): Ditto.
6570 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
6571 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
6572 (execute_late_warn_uninitialized): Ditto.
6573 * rtl.h (cleanup_barriers): Ditto.
6574 (split_all_insns_noflow): Ditto.
6575 (purge_line_number_notes): Ditto.
6576 (unshare_all_rtl): Ditto.
6577 (remove_unnecessary_notes): Ditto.
6578 (recompute_reg_usage): Ditto.
6579 (variable_tracking_main): Ditto.
6580 * integrate.c (emit_initial_value_sets): Ditto.
6581 * integrate.h (emit_initial_value_sets): Ditto.
6582 * tree-optimize.c (execute_free_datastructures): Ditto
6583 (execute_free_cfg_annotations): Ditto.
6584 (execute_fixup_cfg): Ditto.
6585 (execute_cleanup_cfg_pre_ipa): Ditto.
6586 (execute_cleanup_cfg_post_optimizing): Ditto.
6587 (execute_init_datastructures): Ditto.
6588 * tree-object-size.c (compute_object_sizes): Ditto.
6589 * combine.c (rest_of_handle_combine): Ditto.
6590 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
6591 * bb-reorder.c (duplicate_computed_gotos): Ditto.
6592 (rest_of_handle_reorder_blocks): Ditto.
6593 (rest_of_handle_partition_blocks): Ditto.
6594 * var-tracking.c (variable_tracking_main): Ditto.
6595 * tree-profile.c (tree_profiling): Ditto.
6596 * tree-vect-generic.c (expand_vector_operations): Ditto.
6597 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
6598 * sched-rgn.c (rest_of_handle_sched): Ditto.
6599 (rest_of_handle_sched2): Ditto.
6600 * basic-block.h (free_bb_insn): Ditto.
6601 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
6602 * tree-cfg.c (execute_build_cfg): Ditto.
6603 (remove_useless_stmts): Ditto.
6604 (split_critical_edges): Ditto.
6605 (execute_warn_function_return): Ditto.
6606 (execute_warn_function_noreturn): Ditto.
6607 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
6608 * cfgrtl.c (free_bb_for_insn): Ditto.
6609 * passes.c (execute_one_pass): Run additional
6610 todos returned by execute function.
6611 * tree-pass.h (struct tree_opt_pass): Make execute
6614 2006-03-02 Richard Guenther <rguenther@suse.de>
6616 * tree-ssa-alias.c (find_used_portions): Consider taking
6617 the address as making the variable not write-only.
6619 2006-03-02 Nick Clifton <nickc@redhat.com>
6621 * config.gcc (default_use_cxa_atexit): Extend the description of
6622 this configure variable. Set its default value to "yes" for
6623 Linux, NetBSD and ELF targets on the assumption that they will
6624 use C libraries with the __cxa_atexit function.
6626 2006-03-02 Ben Elliston <bje@au.ibm.com>
6628 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
6629 parameter as unused to suppress a build warning.
6631 2006-03-02 Ben Elliston <bje@au.ibm.com>
6633 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
6636 2006-03-01 Roger Sayle <roger@eyesopen.com>
6639 * gthr-posix.h (__gthrw2): Define to take three parameters, the
6640 declared name, the weak reference name, and the typeof name.
6641 (__gthrw): Avoid expanding the declared name suffix.
6642 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
6644 2006-03-01 Jakub Jelinek <jakub@redhat.com>
6646 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
6648 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
6649 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
6650 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
6651 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
6652 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
6653 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
6654 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
6655 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
6656 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
6657 DW_DS_leading_separate, DW_DS_trailing_separate): New.
6658 (DW_END_default, DW_END_big, DW_END_little): New.
6659 (DW_END_lo_user, DW_END_hi_user): Define.
6660 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
6661 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
6662 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
6665 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6667 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
6669 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
6671 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
6673 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
6675 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
6676 to 'symbol_mem_tag'.
6678 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
6681 2006-03-01 Roger Sayle <roger@eyesopen.com>
6683 * builtins.c (fold_builtin_copysign): Delete unreachable code.
6685 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6688 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
6689 MACHO_DYNAMIC_NO_PIC_P.
6690 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
6692 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6695 * config/darwin-protos.h (darwin_asm_output_anchor):
6697 * config/darwin-sections.def (cstring_section):
6698 Add SECTION_MERGE to the flags.
6699 (literal4_section): Likewise.
6700 (literal8_section): Likewise.
6701 (objc_selector_refs_section): Likewise.
6702 (objc_cls_refs_section): Likewise.
6703 * config/darwin.c (darwin_asm_output_anchor): New
6705 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
6707 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
6709 Fix PR tree-optimization/26443
6710 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
6711 to todo and PROP_tmt_usage to properties_destroyed.
6712 * tree-ssa-ccp.c (pass_ccp): Ditto.
6713 (pass_store_ccp): Ditto.
6714 * tree-ssa-dom.c (pass_dominator): Ditto.
6716 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6718 * tree-ssa-operands.c: Cleanup whitespace.
6719 (get_asm_expr_operands): Move before first invocation.
6720 (get_indirect_ref_operands): Likewise.
6721 (get_tmr_operands): Likewise.
6722 (get_call_expr_operands): Likewise.
6723 (append_def): Likewise.
6724 (append_use): Likewise.
6725 (append_v_may_def): Likewise.
6726 (append_v_must_def): Likewise.
6727 (add_call_clobber_ops): Likewise.
6728 (add_call_read_ops): Likewise.
6729 (add_stmt_operand): Likewise.
6730 (add_virtual_operand): Likewise.
6731 (build_ssa_operands): Likewise.
6733 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
6738 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
6739 with a call expr to ...
6740 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
6742 2006-03-01 Diego Novillo <dnovillo@redhat.com>
6744 * tree-vrp.c (extract_range_from_assert): Remove special
6745 handling for types with super-types.
6747 2006-03-01 Ben Elliston <bje@au.ibm.com>
6749 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
6750 and powerpc64-*-linux* configurations.
6751 * config/t-dfprules: New file.
6753 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
6754 Compile dfp-bit.c from the source directory using -DWIDTH and
6755 $DFP_CFLAGS to control the compilation of that file, rather than
6756 generating width-specific versions in the build directory.
6757 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
6758 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
6760 2006-02-28 Zack Weinberg <zackw@panix.com>
6762 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
6765 2006-02-28 Eric Christopher <echristo@apple.com>
6767 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
6768 Set up IN_LIBGCC definition of TARGET_64BIT.
6769 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
6771 2006-02-28 Roger Sayle <roger@eyesopen.com>
6774 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
6775 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
6776 cases via the construction of "expr != 0".
6778 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
6780 * alias.c (alias_invariant, alias_invariant_size): Remove.
6781 (record_base_value): Remove.
6782 (memrefs_conflict_p): Don't look at alias_invariant.
6783 (end_alias_analysis): Don't free it.
6784 * alias.h (record_base_value): Remove prototype.
6786 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
6787 Adam Nemet <anemet@caviumnetworks.com>
6789 * rtl.h (truncated_to_mode): Declare it.
6790 (struct rtl_hooks): Add reg_truncated_to_mode hook.
6791 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
6792 (RTL_HOOKS_INITIALIZER): Include it.
6793 * rtlhooks.c (reg_truncated_to_mode_general): New function.
6794 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
6795 reg_truncated_to_mode.
6796 * rtlanal.c (truncated_to_mode): Define it.
6797 * simplify-rtx.c (simplify_unary_operation_1): Use it.
6799 2006-02-28 Jeff Law <law@redhat.com>
6801 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
6802 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
6803 the range allowed by TYPE_PRECISION.
6805 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
6807 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
6809 PR tree-optimization/26419
6810 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
6813 2006-02-27 Zack Weinberg <zackw@panix.com>
6815 * doc/md.texi: Fix typo in previous change.
6817 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
6821 2006-02-27 Zack Weinberg <zackw@panix.com>
6823 * rtl.def (define_constraint, define_register_constraint)
6824 (define_memory_constraint, define_address_constraint): New MD forms.
6825 * gensupport.c (process_rtx): Put define_constraint etc on the
6827 * genpreds.c (process_define_predicate): Adjust comment. Validate
6828 the name, and call validate_exp to validate the expression.
6829 (mark_mode_tests, write_extract_subexp): Can assume correct input.
6830 (write_predicate_expr): Likewise. NAME argument no longer necessary;
6831 all callers changed.
6832 (validate_exp, needs_variable, struct constraint_data)
6833 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
6834 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
6835 (const_dbl_constraints, constraint_max_namelen)
6836 (have_register_constraints, have_memory_constraints)
6837 (have_address_constraints, have_address_constraints)
6838 (have_extra_constraints, have_const_int_constraints)
6839 (have_const_dbl_constraints, mangle, add_constraint)
6840 (process_define_constraint, process_define_register_constraint)
6841 (write_enum_constraint_num, write_lookup_constraint)
6842 (write_insn_constraint_len, write_regclass_for_constraint)
6843 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
6844 (write_insn_extra_memory_constraint)
6845 (write_insn_extra_address_constraint)
6846 (write_satisfies_constraint_fns): New.
6847 (write_tm_preds_h): If we have new-style constraint definitions,
6848 prototype the functions generated from them, and define the
6849 old constraint interface (still used by generic code) in terms of
6851 (write_insn_preds_c): If we have new-style constraint definitions,
6852 generate all relevant functions from those definitions.
6853 (main): Handle define_constraint etc.
6854 * genoutput.c (struct constraint_data, indep_constraints)
6855 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
6856 (mdep_constraint_len): New data structures and functions, defined
6857 #ifdef USE_MD_CONSTRAINTS.
6858 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
6859 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
6860 use new logic to validate operand constraints against constraint
6862 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
6864 * defaults.h: If none of the old-style constraint macros are
6865 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
6866 old-style macros; and poison REG_CLASS_FROM_LETTER,
6867 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
6869 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
6870 * doc/md.texi: Document new constraint-definition mechanism and the
6871 C interface it provides. Remove references to old mechanism
6872 elsewhere in the document.
6873 (Machine Constraints): Use pathnames relative to gcc directory,
6874 i.e. config/ARCH/FILE. Change i386 section to refer to
6875 config/i386/predicates.md; update that section to match docstrings.
6876 * doc/tm.texi: Move all documentation of the old constraint-
6877 definition macros to their own section, clearly mark as obsolete.
6879 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
6880 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
6882 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
6883 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
6884 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
6886 (splits and peepholes): Use satisfies_constraint_*.
6887 * config/i386/i386.c (memory_address_length)
6888 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
6890 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
6892 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
6893 scalar operation to be put back into the loop.
6895 2006-02-27 Jakub Jelinek <jakub@redhat.com>
6898 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
6899 (extract_cie_info): Handle S flag in augmentation string.
6900 (execute_cfa_program): If context->signal_frame, execute also
6901 fs->pc == context->ra instructions.
6902 (uw_frame_state_for): If context->signal_frame, don't subtract one
6903 from context->ra to find FDE.
6904 (uw_update_context_1): Set context->signal_frame to
6906 (_Unwind_GetIPInfo): New function.
6907 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
6908 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
6910 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
6911 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
6912 * unwind-compat.c (_Unwind_GetIPInfo): New function.
6913 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
6914 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
6915 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
6916 * config/i386/linux-unwind.h (x86_fallback_frame_state,
6917 x86_64_fallback_frame_state): Set fs->signal_frame.
6918 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
6919 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
6920 (frob_update_context): Likewise. Workaround missing S flag in
6921 Linux 2.6.12 - 2.6.16 kernel vDSOs.
6922 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
6923 Remove the psw_addr + 1 hack.
6925 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
6927 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
6928 with aggregates here.
6929 (find_func_aliases): Remove code for &<aggregate> from here.
6931 2006-02-26 Roger Sayle <roger@eyesopen.com>
6933 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
6934 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
6935 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
6938 2006-02-26 Roger Sayle <roger@eyesopen.com>
6941 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
6943 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
6945 * opts.c (decode_options): Do not handle flag_strength_reduce.
6946 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
6947 and OPT_fstrength_reduce.
6948 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
6949 flag_prefetch_loop_arrays for being nonzero.
6950 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
6952 (fprefetch-loop-arrays-rtl): Removed.
6953 (flag_prefetch_loop_arrays): Do not specify the value.
6955 * doc/passes.texi: Update documentation of loop optimizer
6957 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
6958 -frerun-loop-opt): Remove.
6960 2006-02-26 Richard Guenther <rguenther@suse.de>
6962 PR tree-optimization/26421
6963 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
6964 in function calls that are ADDR_EXPRs as using the whole structure.
6966 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
6968 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
6969 * tree-pass.h (pass_loop_optimize): Remove.
6970 * passes.c (pass_loop_optimize): Never run it.
6971 * toplev.c (backend_init): Don't call init_loop.
6972 * opts.c (flag_loop_optimize_set): Remove.
6973 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
6974 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
6975 the old RTL loop optimizer when profiling enabled.
6976 * predict.c (tree_estimate_probability): Always strip builtin_expect.
6977 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
6978 pre-headers for the sake of the old RTL loop optimizer.
6979 * Makefile.in: Remove all references to loop.o.
6981 * doc/invoke.texi: Remove all references to -floop-optimize
6982 and -frerun-loop-opt.
6984 2006-02-26 Zack Weinberg <zackw@panix.com>
6986 * doc/md.texi (Machine Constraints): Refer to all files with paths
6987 relative to gcc directory (i.e. config/CPU/file). Add missing
6988 @table @code ... @end table to M32C subsection.
6990 2006-02-26 Roger Sayle <roger@eyesopen.com>
6992 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
6994 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
6996 2006-02-26 Roger Sayle <roger@eyesopen.com>
6997 James A. Morrison <phython@gcc.gnu.org>
7000 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
7001 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
7002 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
7003 signedness of the shift operation.
7005 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
7007 PR tree-optimization/26359
7008 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
7010 2006-02-25 Roger Sayle <roger@eyesopen.com>
7012 * simplify-rtx.c (simplify_relational_operation_1): Simplify
7013 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
7014 as X == 0, and some symmetry related transformations.
7015 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
7017 2006-02-25 Roger Sayle <roger@eyesopen.com>
7020 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
7021 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
7022 symmetry related transformations. Fold (X^C1) == C2 as
7025 2006-02-25 Juergen Weigert <jw@suse.de>
7026 Richard Guenther <rguenther@suse.de>
7028 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
7030 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
7032 * combine.c (gen_lowpart_or_truncate): Call
7033 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
7035 2006-02-24 Diego Novillo <dnovillo@redhat.com>
7037 * doc/invoke.texi: Move -fopenmp description to "Options for
7039 Remove reference to -lgomp.
7041 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7043 * doc/install.texi: Require GNU tar version 1.14.
7045 2006-02-24 Geoffrey Keating <geoffk@apple.com>
7047 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
7048 * doc/invoke.texi (C++ Dialect Options): Document
7049 -fno-use-cxa-get-exception-ptr.
7050 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
7051 * configure: Regenerate.
7052 * c.opt (fuse-cxa-get-exception-ptr): New.
7053 * c-opts.c (c_common_handle_option): Handle
7054 OPT_fuse_cxa_get_exception_ptr.
7055 * c-common.c (flag_use_cxa_atexit): Update documentation.
7056 (flag_use_cxa_get_exception_ptr): New.
7057 * c-common.h (flag_use_cxa_get_exception_ptr): New.
7058 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
7060 (C_COMMON_OVERRIDE_OPTIONS): New.
7062 2006-02-24 Roger Sayle <roger@eyesopen.com>
7065 * combine.c (try_combine): Explicitly check whether GET_CODE is
7066 a SET or a CLOBBER, instead on checking that it isn't a USE.
7068 2006-02-24 Roger Sayle <roger@eyesopen.com>
7070 * fold-const.c (fold_comparison): New subroutine of fold_binary
7071 containing transformations common to both the equality and
7072 ordering relational operators, factored out of fold_binary.
7073 (fold_binary): Separate out the equality operators (EQ_EXPR
7074 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
7075 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
7076 transformations common to both.
7077 (fold_div_compare): Fix latent bugs in the previously unreachable
7078 LT_EXPR and GE_EXPR cases.
7080 2006-02-24 David Edelsohn <edelsohn@gnu.org>
7082 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
7083 decl libname for clog to __clog on AIX.
7085 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
7087 2006-02-24 Alan Modra <amodra@bigpond.net.au>
7090 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
7091 output traceback table for thunks. Localise rs6000_stack_info call.
7093 2006-02-23 Roger Sayle <roger@eyesopen.com>
7094 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7096 * gthr-posix.h (__gthrw): Fix typo in comment.
7098 2006-02-23 Geoffrey Keating <geoffk@apple.com>
7100 * doc/cpp.texi (Character sets): Document that we do support
7101 input files to be in any character set.
7103 2006-02-23 Jeff Law <law@redhat.com>
7105 * tree.h (PHI_ARG_NONZERO): Remove.
7106 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
7107 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
7108 node to the new node.
7110 PR tree-optimization/26425
7111 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
7112 min/max, then assume its varying.
7114 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7116 PR rtl-optimization/26316
7117 * rtlanal.c (enum may_trap_p_flags): New.
7118 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
7119 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
7120 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
7121 (may_trap_after_code_motion_p): New function.
7122 * loop-invariant.c (find_identical_invariants): Fix dump formating.
7123 (find_invariant_insn): Use may_trap_after_code_motion_p.
7124 * rtl.h (may_trap_after_code_motion_p): Declare.
7126 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
7128 * emit-rtl.c (immed_double_const): Cleanup.
7130 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
7132 Fix PR tree-optimization/26376
7133 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
7136 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7139 * gimplify.c (omp_add_variable): Guard variable size decl test with
7140 DECL_SIZE (decl) check.
7142 2006-02-23 Richard Guenther <rguenther@suse.de>
7145 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
7146 like aggregate types.
7148 2006-02-23 Jakub Jelinek <jakub@redhat.com>
7150 * configure.ac: Add --with{,out}-long-double-128 configure option.
7151 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
7152 * configure: Rebuilt.
7153 * config.in: Rebuilt.
7154 * doc/install.texi (Options specification): Document
7155 --with-long-double-128.
7157 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7158 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7159 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
7160 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
7162 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
7164 * config/s390/s390.c (override_options): Handle
7165 TARGET_DEFAULT_LONG_DOUBLE_128.
7167 * config/alpha/alpha.c (override_options): Handle
7168 TARGET_DEFAULT_LONG_DOUBLE_128.
7170 * config/sparc/sparc.c (sparc_override_options): Handle
7171 TARGET_DEFAULT_LONG_DOUBLE_128.
7173 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
7175 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
7176 (real-install-headers-tar, real-install-headers-cpio)
7177 (real-install-headers-cp): New targets.
7179 2006-02-22 Richard Sandiford <richard@codesourcery.com>
7181 * tree.h (variable_section): Delete.
7182 * varasm.c (variable_section): Delete.
7184 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
7186 * install.texi: Add notes on install.texi2html.
7187 (Building in parallel): Do not use footnotes.
7189 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
7192 * doc/install.texi (Configuration): Document --disable-libgomp.
7194 2006-02-21 Geoffrey Keating <geoffk@apple.com>
7196 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
7198 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7200 * config/i386/sse.md (vec_extractv2df_1_sse): New.
7201 (vec_extractv2df_0_sse): New.
7203 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
7205 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
7206 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
7207 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
7208 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
7209 to the result of the expression.
7210 (def_cfa_1): Adjust.
7211 (frame_pointer_cfa_offset): Rename to...
7212 (frame_pointer_fb_offset): ... this. Adjust all uses.
7213 (convert_cfa_to_loc_list): Rename to...
7214 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
7215 Pass it on to build_cfa_loc.
7216 (compute_frame_pointer_to_cfa_displacement): Rename to...
7217 (compute_frame_pointer_to_fb_displacement): ... this. New
7218 offset parameter. Use it in computation.
7219 (gen_subprogram_die): Compute cfa_fb_offset with the new
7220 macro, and use it to compute the fb loc list and the
7223 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
7225 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
7226 replaced with register_operand.
7227 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
7228 non-DREG is expensive.
7229 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
7230 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
7233 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
7235 * doc/install.texi2html: Use set -e.
7237 2006-02-21 Richard Sandiford <richard@codesourcery.com>
7239 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7240 (ASM_OUTPUT_SHARED_LOCAL): Delete.
7241 * doc/invoke.texi (-fshared-data): Delete.
7242 * common.opt (fshared-data): Delete.
7243 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
7244 (assemble_static_space): Remove #if 0 code.
7245 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
7246 (ASM_OUTPUT_SHARED_LOCAL): Poison.
7247 * config/cris/cris.h: Remove FIXME.
7249 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
7251 * doc/sourcebuild.texi (Front End Directory): No more double-colon
7254 2006-02-21 Jakub Jelinek <jakub@redhat.com>
7257 * combine.c (simplify_shift_const_1): Disable nested shifts
7258 optimization for vector shifts.
7260 2006-02-20 Roger Sayle <roger@eyesopen.com>
7262 PR tree-optimization/26361
7263 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
7264 of unsigned integer types.
7266 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
7268 * tree-chrec.c (eq_evolutions_p): New.
7269 * tree-chrec.h (eq_evolutions_p): Declared.
7270 * tree-data-ref.c: Fix formatting.
7271 (datadep_stats, dependence_stats): New.
7273 (print_direction_vector): New.
7274 (dump_data_dependence_relation): Use print_direction_vector.
7275 (object_analysis, create_data_ref): Handle COMPONENT_REF.
7276 (compute_subscript_distance): Static.
7277 (initialize_data_dependence_relation): Static. Get the number
7278 of loops surrounding the references from the callers, and initialize
7279 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
7280 base_object_differ_p analyzers.
7281 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
7282 compute_overlap_steps_for_affine_1_2,
7283 analyze_subscript_affine_affine): Count the classified dependences.
7284 Print a message when a test failed.
7285 (can_use_analyze_subscript_affine_affine): New.
7286 (analyze_siv_subscript): Compute the data dependences on symbolic
7287 scevs that verify can_use_analyze_subscript_affine_affine.
7288 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
7289 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
7290 Handle symbolic scevs.
7291 (analyze_overlapping_iterations): Let symbolic affine scevs to be
7293 (subscript_dependence_tester): Moved...
7294 (build_classic_dist_vector, build_classic_dir_vector): Don't use
7295 lambda_vector_clear on newly allocated vectors. Get nb_loops from
7296 DDR_SIZE_VECT instead of getting it in parameter.
7297 (subscript_dependence_tester): ... here. Take as a parameter
7298 loop_nest_depth. Call build_classic_dist_vector and
7299 build_classic_dir_vector.
7300 (compute_affine_dependence): Update subscript_dependence_tester
7301 parameters. Update datadep_stats counters. Call
7302 compute_subscript_distance.
7303 (compute_self_dependence): Save the dist and dir vectors. Call
7304 compute_subscript_distance.
7305 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
7306 (compute_all_dependences): Reorder parameters as they were before
7307 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
7308 compute_subscript_distance. Update the use of
7309 compute_affine_dependence and initialize_data_dependence_relation.
7310 (find_data_references_in_loop): Handle COMPONENT_REF.
7311 (compute_data_dependences_for_loop): Initialize dependence_stats.
7312 Don't call build_classic_dist_vector and build_classic_dir_vector.
7313 Update the parameters of initialize_data_dependence_relation and
7314 compute_all_dependences. Print the statistics from datadep_stats.
7315 (analyze_all_data_dependences): Static. Not used until the pass for
7316 checking the data dependences is contributed.
7317 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
7318 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
7319 (initialize_data_dependence_relation, compute_affine_dependence,
7320 analyze_all_data_dependences, compute_subscript_distance): Removed.
7321 (print_direction_vector): New.
7322 * lambda.h (gcd): ... here.
7323 (lambda_vector_gcd): Moved here from gcd_vector.
7324 * lambda-code.c (gcd, gcd_vector): Removed.
7325 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
7326 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
7328 2006-02-20 Diego Novillo <dnovillo@redhat.com>
7330 * ipa-type-escape.c: Tidy some comments and white space.
7331 * tree-ssa-operands.c: Likewise.
7333 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
7336 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
7337 (dump_decl_name): Do not walk the decl tree chains.
7338 * tree-pass.h (TDF_CHAIN): Remove.
7340 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7342 * Makefile.in (C): Remove
7344 (.PHONY): Remove C and PROTO
7346 2006-02-20 Roger Sayle <roger@eyesopen.com>
7349 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
7350 deprecated CHAR_TYPE tree code.
7352 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7354 * configure.ac (target_list): Add install-info, dvi, html.
7355 * configure: Regenerate.
7357 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
7358 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
7359 treelang/Make-lang.in: Do not use double-colon rules.
7361 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
7363 * tree.h (struct tree_memory_tag): Add is_used_alone member.
7364 (TMT_USED_ALONE): New macro.
7365 * tree-pass.h (PROP_tmt_usage): New property.
7366 (TODO_update_tmt_usage): New todo.
7367 * tree-ssa-alias.c (updating_used_alone): New variable.
7368 (recalculate_used_alone): New function.
7369 (compute_may_aliases): Set updating_used_alone, call
7370 recalculate_used_alone.
7371 * tree-sra.c (pass_sra): Note that this pass destroys
7372 PROP_tmt_usage, and add TODO_update_tmt_usage.
7373 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
7374 * tree-flow.h (updating_used_alone): Prototype.
7375 (recalculate_used_alone): Ditto.
7376 * passes.c (execute_todo): Add code to set updating_used_alone,
7377 and call recalculate.
7378 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
7379 for clobber if used alone, and add assert to verify used_alone
7382 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
7384 * config/s390/s390.c (legitimize_pic_address): Assertions checking
7385 for non tls symbols added.
7386 (legitimize_address): Do nothing for PLUS expressions if one of the
7387 addends is a tls symbol reference.
7389 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
7393 * Makefile.in (LDFLAGS): Define from autoconf substitution.
7395 * Makefile.in (BOOTSTRAPPING): New.
7396 (quickstrap): New definition if BOOTSTRAPPING=yes.
7398 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
7399 * configure.ac: Substitute all_selected_languages with the languages
7400 that were configured. For all the other variables except
7401 lang_specs_files, include all the languages in the tree.
7402 * configure: Regenerate.
7404 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
7405 if there is one. Run the commands to run fixincludes in the same
7408 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
7409 * doc/install.texi: Document exact conventions for searching target tools.
7410 Document --with-build-time-tools. Document toplevel bootstrap. Document
7411 something more about building an Ada cross-compiler. Don't list GNU Make
7412 requirements which affect all platforms.
7414 2006-02-19 Roger Sayle <roger@eyesopen.com>
7417 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
7418 only equivalent if the have both the same mode and precision.
7420 2006-02-20 Ben Elliston <bje@au.ibm.com>
7422 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
7424 2006-02-19 Roger Sayle <roger@eyesopen.com>
7425 Steven Bosscher <stevenb.gcc@gmail.com>
7427 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
7428 constant pool references to identify stack mode constants.
7429 * rtlanal.c (constant_pool_constant_p): New predicate to check
7430 whether operand is a floating point constant in the pool.
7431 * rtl.h (constant_pool_constant_p): Prototype here.
7432 * loop.c (scan_loop): Avoid hoisting constants from the constant
7433 pool on STACK_REGS targets.
7434 (load_mems): Likewise.
7435 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
7436 loads into x87 registers expensive in terms of register pressure.
7438 2006-02-19 Roger Sayle <roger@eyesopen.com>
7440 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
7441 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
7443 2006-02-19 David Edelsohn <edelsohn@gnu.org>
7445 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
7446 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
7448 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
7450 * doc/invoke.texi: Document -fipa-pta.
7451 * common.opt: Add ipa-pta option.
7452 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
7453 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
7454 (do_ds_constraint): Ditto.
7455 (get_constraint_for): Only add to referenced_vars if
7456 referenced_vars exists.
7457 (insert_into_field_list): Rewrite to do this unsorted.
7458 (insert_into_field_list_sorted): Rename old insert_into_field_list
7460 (create_function_info_for): Use insert_into_field_list_sorted.
7461 (create_variable_info_for): Rewrite so it uses unsorted version,
7462 since the field list is sorted.
7463 (intra_create_variable_infos): Only add to referenced_vars if
7464 referenced_vars exists.
7465 (ipa_pta_execute): Init heapvars, and delete when done.
7466 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
7468 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7470 * doc/install.texi: Add missing `@samp'.
7472 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7474 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
7477 2006-02-18 Mark Wielaard <mark@klomp.org>
7479 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
7480 who added new 4.1 features, bug fixes and integration support.
7482 2006-02-18 David Edelsohn <edelsohn@gnu.org>
7485 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
7488 2006-02-18 Richard Sandiford <richard@codesourcery.com>
7490 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
7491 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
7492 (copy_insn_1): Likewise. Don't copy each field individually.
7494 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
7496 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
7497 * rtl.c (rtx_size): Rename variable to...
7498 (rtx_code_size): ...this.
7499 (rtx_size): New function.
7500 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
7501 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
7503 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
7504 * rtl.h (rtx_code_size): New variable.
7505 (rtx_size): Change from a variable to a function.
7506 (RTX_SIZE): Rename to...
7507 (RTX_CODE_SIZE): ...this.
7510 PR tree-optimization/17106
7511 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
7512 (Anchored Addresses): New section.
7513 * doc/invoke.texi (-fsection-anchors): Document.
7514 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
7515 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
7516 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
7517 * hooks.c (hook_bool_mode_rtx_false): New function.
7518 * hooks.h (hook_bool_mode_rtx_false): Declare.
7519 * gengtype.c (create_optional_field): New function.
7520 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
7521 SYMBOL_REF_IN_BLOCK_P is true.
7522 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
7523 (min_anchor_offset, max_anchor_offset): Likewise.
7524 (use_anchors_for_symbol_p): New hook.
7525 * toplev.c (compile_file): Call output_object_blocks.
7526 (target_supports_section_anchors_p): New function.
7527 (process_options): Check that -fsection-anchors is only used on
7528 targets that support it and when -funit-at-a-time is in effect.
7529 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
7530 if the decl doesn't have one.
7531 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
7532 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
7533 of force_const_mem through use_anchored_address.
7534 (expand_expr_constant): New function.
7535 (expand_expr_addr_expr_1): Call it. Use the same modifier when
7536 calling expand_expr for INDIRECT_REF.
7537 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
7538 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
7539 * expr.h (use_anchored_address): Declare.
7540 * loop-unroll.c: Don't declare rtx vectors here.
7541 * explow.c: Include output.h.
7542 (validize_mem): Call use_anchored_address.
7543 (use_anchored_address): New function.
7544 * common.opt (-fsection-anchors): New switch.
7545 * varasm.c (object_block_htab, anchor_labelno): New variables.
7546 (hash_section, object_block_entry_eq, object_block_entry_hash)
7547 (use_object_blocks_p, get_block_for_section, create_block_symbol)
7548 (use_blocks_for_decl_p, change_symbol_section): New functions.
7549 (get_variable_section): New function, split out from assemble_variable.
7550 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
7551 use_blocks_for_decl_p say so. Use change_symbol_section if the
7552 symbol has already been created.
7553 (assemble_variable_contents): New function, split out from...
7554 (assemble_variable): ...here. Don't output any code for
7555 block symbols; just pass them to place_block_symbol.
7556 Use get_variable_section and assemble_variable_contents.
7557 (get_constant_alignment, get_constant_section, get_constant_size): New
7558 functions, split from output_constant_def_contents.
7559 (build_constant_desc): Create a block symbol if use_object_blocks_p
7560 says so. Or into SYMBOL_REF_FLAGS.
7561 (assemble_constant_contents): New function, split from...
7562 (output_constant_def_contents): ...here. Don't output any code
7563 for block symbols; just pass them to place_section_symbol.
7564 Use get_constant_section and get_constant_alignment.
7565 (force_const_mem): Create a block symbol if use_object_blocks_p and
7566 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
7567 (output_constant_pool_1): Add an explicit alignment argument.
7568 Don't switch sections here.
7569 (output_constant_pool): Adjust call to output_constant_pool_1.
7570 Switch sections here instead. Don't output anything for block symbols;
7571 just pass them to place_block_symbol.
7572 (init_varasm_once): Initialize object_block_htab.
7573 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
7574 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
7575 (place_block_symbol, get_section_anchor, output_object_block)
7576 (output_object_block_htab, output_object_blocks): New functions.
7577 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
7578 (TARGET_ASM_OUT): Include it.
7579 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
7580 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
7581 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
7582 (TARGET_INITIALIZER): Include them.
7583 * rtl.c (rtl_check_failed_block_symbol): New function.
7584 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
7585 (block_symbol, object_block): New structures.
7586 (rtx_def): Add a block_symbol field to the union.
7587 (BLOCK_SYMBOL_CHECK): New macro.
7588 (rtl_check_failed_block_symbol): Declare.
7589 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
7590 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
7591 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
7592 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
7593 * output.h (output_section_symbols): Declare.
7594 (object_block): Name structure.
7595 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
7596 (default_use_anchors_for_symbol_p): Declare.
7597 * Makefile.in (RTL_BASE_H): Add vec.h.
7598 (explow.o): Depend on output.h.
7599 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
7600 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7601 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7602 (rs6000_use_blocks_for_constant_p): New function.
7604 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7606 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
7608 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
7611 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
7614 2006-02-18 Diego Novillo <dnovillo@redhat.com>
7616 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
7620 2006-02-18 Jakub Jelinek <jakub@redhat.com>
7623 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
7624 instead of DECL_REGISTER.
7626 2006-02-18 Olivier Hainque <hainque@adacore.com>
7629 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
7631 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
7634 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
7635 * opth-gen.awk: Handle Var and InverseMask together.
7636 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
7637 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
7638 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
7639 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
7641 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
7642 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7643 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
7644 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7645 LINUX_DYNAMIC_LINKER): Define.
7646 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
7647 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
7649 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7650 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
7651 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7652 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7653 (TARGET_C99_FUNCTIONS): Don't define.
7654 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
7655 GLIBC_DYNAMIC_LINKER.
7656 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
7657 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
7658 GLIBC_DYNAMIC_LINKER64): Define.
7659 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
7660 LINUX_DYNAMIC_LINKER64.
7661 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7662 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7663 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
7664 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7665 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7666 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7667 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
7668 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
7669 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
7670 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
7671 and LINUX_DYNAMIC_LINKER32.
7672 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7673 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7674 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
7675 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7676 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
7678 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
7679 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
7680 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
7681 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7682 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7683 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
7684 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
7685 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
7686 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7687 LINUX_DYNAMIC_LINKER): Define.
7688 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
7689 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
7690 GLIBC_DYNAMIC_LINKER64): Define.
7691 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
7692 LINUX_DYNAMIC_LINKER64.
7693 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7694 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7695 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
7696 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
7697 LINUX_DYNAMIC_LINKER): Define.
7698 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7699 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
7700 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
7701 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
7702 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
7703 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
7704 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
7705 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
7706 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
7707 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7708 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7709 * doc/invoke.texi (-muclibc): Remove caveat about supported
7712 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
7714 * doc/cpp.texi (__TIMESTAMP__): Document.
7716 2006-02-17 Roger Sayle <roger@eyesopen.com>
7719 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
7720 C is one less than the width of X (and related transformations).
7721 * simplify-rtx.c (simplify_unary_operation_1): Transform
7722 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
7723 depending on STORE_FLAG_VALUE, were C is one less then the
7726 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
7728 Fix PR tree-optimization/26341
7729 * tree-ssa-operands.c (add_virtual_operand): Remove assert
7730 about NAME_MEMORY_TAG's.
7732 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7735 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
7736 with hardware float support, and software float support. Add fcpy
7737 alternative to hardware patterns. Add alternatives to copy between
7738 general and floating-point registers to the 32-bit pattern.
7739 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
7740 secondary reload to load a QI or HI mode constant into a floating
7742 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
7743 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
7745 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
7748 * config/rs6000/darwin.md (load_macho_picbase_si): Add
7750 (load_macho_picbase_di): Likewise.
7752 2006-02-16 Jeff Law <law@redhat.com>
7754 * tree-vrp.c (set_value_range_to_nonnegative): New function.
7755 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
7756 (ssa_name_nonzero_p): Likewise.
7757 (get_value_range): Return NULL if VRP is not running.
7758 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
7759 VRP routines do not discover a range.
7760 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
7761 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
7762 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
7763 (tree_expr_nonnegative_p): Similarly.
7764 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
7765 (restore_nonzero_vars_to_original_value): Remove.
7766 (unsafe_associative_fp_binop): Remove.
7767 (tree_ssa_dominator_optimize): Remove initialization and
7768 finalization of nonzero_vars and nonzero_vars_stack.
7769 (dom_opt_initialize_block): No longer push marker on
7771 (dom_opt_finalize_block): No longer call
7772 restore_nonzero_vars_to_original_value.
7773 (record_equivalences_from_phis): No longer look for
7774 nonzero PHI arguments.
7775 (cprop_into_successor_phis): No longer propagate nonzero
7776 property into PHI arguments. Lose unused argument. Caller
7778 (record_equivalences_from_stmt): No longer record nonzero
7779 values for SSA_NAMEs.
7780 (lookup_avail_expr): No longer use nonzero_vars.
7782 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
7783 for sizetype when sizetype is unsigned.
7785 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
7787 PR rtl-optimization/25603
7788 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
7789 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
7790 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
7791 with new meaning of SETS.
7793 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
7798 * config/linux.opt: New file.
7799 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
7800 LINUX_DYNAMIC_LINKER): Define.
7801 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
7802 * config.gcc (*-*-linux*): Define extra_options.
7803 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
7804 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
7805 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
7806 GLIBC_DYNAMIC_LINKER.
7807 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
7808 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7809 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
7810 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
7811 * doc/invoke.texi (GNU/Linux Options): New section.
7813 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
7815 * config/sparc/sparc.md (setjmp): Rewrite.
7816 (setjmp_32): Delete.
7817 (setjmp_64): Likewise.
7819 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
7821 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
7824 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
7826 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
7829 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
7831 PR rtl-optimization/26296
7832 * Makefile.in (loop-invariant.c): Add except.h dependency.
7833 * loop-invariant.c: Include except.h.
7834 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
7836 2005-02-16 Paul Brook <paul@codesourcery.com>
7838 * reload1.c (emit_reload_insns): Invalidate dead input registers used
7841 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
7843 PR rtl-optimization/25636
7844 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
7845 when deciding whether an insn is an initializing insn.
7847 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
7849 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
7850 (tree_code_size): Ditto.
7851 * tree.h (struct tree_memory_tag): Remove parent_var.
7852 (struct tree_struct_field_tag): New.
7855 (union tree_node): Add sft member.
7856 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
7858 (create_sft): Add size and offset argument, set SFT_OFFSET and
7860 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
7861 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
7862 * tree-flow-inline.h (get_subvar_at): Update for
7863 SFT_OFFSET/SFT_SIZE.
7864 (var_can_have_subvars): Ditto.
7865 (overlap_subvar): Ditto.
7866 * print-tree.c (print_node): Print out interesting things for
7868 * tree-flow.h (struct subvar): Remove offset and size members.
7869 * tree-ssa-operands.c (get_expr_operands): Update for
7870 get_indirect_ref_operands changes.
7871 (get_indirect_ref_operands): Call add_virtual_operand instead of
7872 add_stmt_operand. Only recurse on base var if requested.
7873 (access_can_touch_variable): New function.
7874 (add_stmt_operand): Split virtual operand handling into ...
7875 (add_virtual_operand): Here. Add offset, size, and for_clobber
7876 arguments. Prune alias sets.
7877 (add_call_clobber_ops): Call add_virtual_operand.
7879 2006-02-15 Jakub Jelinek <jakub@redhat.com>
7882 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
7884 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
7885 than TREE_CODE as index into omp_clause_num_ops array.
7887 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
7889 PR rtl-optimization/26184
7890 * modulo-sched.c (generate_reg_moves): Free bitmap vector
7892 * modulo-sched.c (sms_schedule): Free g_arr pointer.
7893 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
7894 must_precede, must_follow and tobe_scheduled.
7897 * opts.c (common_handle_option): Free new_option pointer.
7898 * df-core.c (df_analyze): Free postorder pointer.
7900 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
7902 * Makefile.in: Fix the examples about the use of stamps
7904 2006-02-15 Michael Matz <matz@suse.de>
7908 * stor-layout.c (layout_decl): Zero-width bitfields aren't
7909 influenced by maximum_field_alignment or DECL_PACKED.
7910 (update_alignment_for_field): Ditto.
7911 (place_field): Ditto.
7912 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
7915 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
7917 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
7918 (debug_flow_info): Pass it.
7919 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
7920 * bb-reorder.c (reorder_basic_blocks): Likewise.
7921 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
7922 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
7923 * flow.c (life_analysis, recompute_reg_usage): Likewise.
7924 * gcse.c (gcse_main, bypass_jumps): Likewise.
7925 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
7926 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
7927 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
7928 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
7929 * rtl.h (dump_flow_info): Adjust prototype.
7930 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
7931 * var-tracking.c (variable_tracking_main): Likewise.
7932 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
7933 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
7936 2006-02-15 Marcin Dalecki <martin@dalecki.de>
7938 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
7941 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
7943 PR tree-optimization/26209
7944 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
7945 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
7947 * tree-cfg.c (replace_uses_by): Do not alter cfg.
7949 2006-02-14 Roger Sayle <roger@eyesopen.com>
7952 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
7953 (X,Y) and the corresponding symmetry related transformations.
7954 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
7955 (X,Y) and its symmetry related transformations.
7957 2006-02-14 Roger Sayle <roger@eyesopen.com>
7959 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
7962 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
7964 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
7966 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7969 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
7970 support COMDAT group.
7971 * configure: Regenerate.
7973 2006-02-14 Roger Sayle <roger@eyesopen.com>
7978 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
7980 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
7982 Fix PR tree-optimization/26260
7984 * doc/invoke.texi (max-fields-for-field-sensitive): Document
7986 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
7987 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
7988 * tree-ssa-structalias.c (create_variable_info_for): Use
7989 MAX_FIELDS_FOR_FIELD_SENSITIVE.
7991 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
7993 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
7995 * tree-ssa-loop-niter.c (number_of_iterations_ne,
7996 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
7997 of the ending condition.
7998 * tree-ssa-loop-manip.c: Include params.h.
7999 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
8000 tree_unroll_loop): New functions.
8001 * tree-pass.h (pass_loop_prefetch): Declare.
8002 * loop.c (rest_of_handle_loop_optimize): Test for
8003 -fprefetch-loop-arrays-rtl.
8004 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
8005 * timevar.def (TV_TREE_PREFETCH): New timevar.
8006 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
8007 pass_loop_prefetch): New.
8008 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
8009 (cleanup_tree_cfg_loop): Call scev_reset.
8010 * common.opt (fprefetch-loop-arrays-rtl): Add.
8011 * tree-ssa-loop-prefetch.c: New file.
8012 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
8013 (new_temp_expr_table): Initialize expr_vars.
8014 (free_temp_expr_table): Cleanup expr_vars.
8015 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
8016 expressions from being merged into one.
8017 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
8018 (struct tree_niter_desc): Add control, bound and cmp fields.
8019 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
8021 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
8022 (tree-cfgcleanup.o): Add SCEV_H dependency.
8023 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
8024 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
8026 2006-02-14 Richard Guenther <rguenther@suse.de>
8028 PR tree-optimization/26258
8029 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
8030 in PHI argument processing.
8032 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
8034 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
8035 new expression in the requested machine mode.
8037 2006-02-13 Roger Sayle <roger@eyesopen.com>
8039 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
8040 directly, instead let do_compare_rtx_and_jump handle this for us.
8041 * expr.c (expand_expr_real_1): Likewise.
8042 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
8043 before do_jump_by_parts_greater.
8044 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
8045 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
8047 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8049 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
8051 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8053 PR rtl-optimization/26235
8054 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
8055 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
8058 2006-02-13 Jeff Law <law@redhat.com>
8060 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
8063 2006-02-13 Jakub Jelinek <jakub@redhat.com>
8066 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
8067 twice if decl is a builtin. When trying again, call get_callee_fndecl
8068 first to verify it is still a builtin.
8070 2006-02-13 Geoffrey Keating <geoffk@apple.com>
8072 * dwarf2out.c (base_type_die): Don't add AT_name here.
8073 (subrange_type_die): Don't add AT_name here.
8074 (modified_type_die): Rearrange code flow. Do add AT_name here.
8076 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
8078 PR rtl-optimization/26247
8079 PR rtl-optimization/26248
8080 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
8082 2006-02-13 Richard Sandiford <richard@codesourcery.com>
8084 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
8085 * config/fixtfdi.c: Likewise.
8086 * config/fixunstfdi.c: Likewise.
8087 * config/floatditf.c: Likewise.
8089 2006-02-13 Roger Sayle <roger@eyesopen.com>
8092 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
8093 into (X,C2) if C1 is a subset of the bits of C2. Transform
8094 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
8096 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
8098 2006-02-13 Josh Conner <jconner@apple.com>
8101 * varasm.c (function_section): Check for section name before
8102 calling select_section on targets that define
8103 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
8104 unlikely_text_section instead of hot_function_section if
8105 first_function_block_is_cold.
8107 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
8110 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
8112 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8114 PR rtl-optimization/26222
8115 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
8116 after tree->rtl expansion.
8117 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
8118 before passing it to emit_move_insn.
8120 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
8122 * doc/invoke.texi (-Write-strings): Document that it is enabled by
8124 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
8125 Clarify documentation.
8126 * c-common.h (warn_write_strings): Remove.
8127 * c-common.c (warn_write_strings): Likewise.
8128 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
8131 2006-02-12 Roger Sayle <roger@eyesopen.com>
8134 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
8135 (do_jump_parts_zero_rtx): New function renamed from
8136 do_jump_parts_equality_rtx. Made static. Add a mode argument.
8137 (do_jump_parts_equality_rtx): New function split out from
8138 do_jump_parts_equality. Old implementation renamed as above.
8139 Call do_jump_parts_zero_rtx if either operand is zero.
8140 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
8141 do all of the heavy lifting.
8142 (do_compare_rtx_and_jump): Handle multi-word comparisons by
8143 calling either do_jump_by_parts_greater_rtx or
8144 do_jump_by_parts_equality_rtx.
8145 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
8146 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
8147 moved to do_compare_rtx_and_jump, call it directly.
8148 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
8149 mode argument. Call do_compare_rtx_and_jump.
8150 (emit_case_nodes): Update calls to do_jump_if_equal.
8152 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8154 PR rtl-optimization/26225
8155 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
8157 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
8159 PR rtl-optimization/26232
8160 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
8162 2006-02-11 Jason Merrill <jason@redhat.com>
8165 * tree-inline.c (declare_return_variable): Just don't use the
8166 modify target if it's a gimple complex reg and the return slot
8169 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8171 * doc/contrib.texi: Update my entry.
8173 2006-02-10 Geoffrey Keating <geoffk@apple.com>
8175 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
8177 2006-02-10 Diego Novillo <dnovillo@redhat.com>
8179 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
8182 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
8184 * doc/invoke.texi (-floop-optimize2): Removed.
8185 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
8186 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
8187 Test flag_branch_on_count_reg only if HAVE_doloop_end.
8188 * common.opt (floop-optimize2): Removed.
8189 (fmove-loop-invariants): Enabled by default.
8191 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
8193 * tree-if-conv.c (combine_blocks): Free the result of
8194 get_loop_exit_edges.
8196 2006-02-10 Jeff Law <law@redhat.com>
8198 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
8200 PR tree-optimization/26213
8201 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
8202 loop trying to follow SSA_NAME_VALUE chains.
8204 2006-02-10 Richard Guenther <rguenther@suse.de>
8206 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
8207 deal with structures that end in implicitly variable sized arrays.
8209 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8211 PR rtl-optimization/24762
8212 * df-scan.c (df_bb_refs_record): Record correct registers defined on
8215 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8217 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
8218 (struct ivopts_data): Add regs_used field.
8219 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
8220 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
8221 instead of loop_data->regs_used;
8222 (free_loop_data): Do not free aux fields for loops.
8223 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
8224 and tree_ssa_iv_optimize_finalize.
8226 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
8228 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
8230 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8233 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
8234 computing the effective result type.
8236 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
8239 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
8240 (tree_overlaps_hard_reg_set): Declare.
8241 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
8242 type and signature to match function type expected by walk_tree.
8243 (tree_overlaps_hard_reg_set): New function.
8244 (decl_conflicts_with_clobbers_p): Rename to:
8245 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
8246 Use tree_overlaps_hard_reg_set. Changed caller.
8247 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
8248 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
8249 * cris.c (cris_md_asm_clobbers): Likewise.
8251 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
8253 * reload1.c (emit_input_reload_insns): Delete code that tries to
8254 inherit using find_equiv_reg.
8256 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
8258 * c-common.h (flag_const_strings): Don't declare.
8259 * c-common.c (flag_const_strings): Remove.
8260 * c.opt (fconst_strings): Remove.
8261 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
8262 <OPT_Wwrite_strings>: Don't set flag_const_strings.
8263 (c_common_init_options): Don't set flag_const_strings.
8264 * doc/invoke.texi (-fno-const-strings): Remove documentation.
8266 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
8268 * arm.md (tlobits_cbranch): New pattern.
8269 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
8270 testing a single bit.
8272 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8275 * tree-ssa-pre.c (create_component_ref_by_pieces):
8276 Handle RETURN_DECL like VAR_DECL.
8278 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8281 * fold-const.c (fold_indirect_ref_1): Fold
8282 "*(foo *)&complexfoo" to "__real__ complexfoo"
8283 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
8285 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
8287 * tree-flow-inline.h (var_can_have_subvars):
8288 Volatile variables should not have subvariables.
8290 2006-02-09 Diego Novillo <dnovillo@redhat.com>
8293 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
8294 multiplying unsigned values.
8297 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
8299 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
8301 2006-02-08 Jason Merrill <jason@redhat.com>
8304 * tree.def: Elaborate on difference from MODIFY_EXPR.
8305 * doc/c-tree.texi (INIT_EXPR): Likewise.
8306 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
8307 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
8308 (gimplify_target_expr): Likewise.
8309 (gimplify_cond_expr): Remove target handling.
8310 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
8311 (gimplify_expr): Clobber it here.
8312 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
8313 Do return slot optimization if we have an INIT_EXPR.
8316 * tree-inline.c (declare_return_variable): Also clear
8317 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
8320 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
8323 * gimplify.c (gimplify_one_sizepos): Fix typo.
8325 2006-02-08 Jeff Law <law@redhat.com>
8327 PR tree-optimization/21417
8328 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
8329 across a backedge if the control statement at the end of the
8330 block is data dependent on other statements in the same block.
8331 (record_temporary_equivalences_from_stmts): Remove over-conservative
8332 test for threading across backedges.
8334 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
8335 control statement, handle all three special cases in the same
8336 manner as they all have the same desired solution. No longer
8337 special case edge flag updating when the post dominator is
8340 2006-02-08 Roger Sayle <roger@eyesopen.com>
8342 * tree.def (CHAR_TYPE): Remove.
8343 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
8344 * dwarf2out.c (base_type_die, is_base_type): Likewise.
8345 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
8346 (gen_string_type_die): Delete unreachable function.
8348 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
8349 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
8350 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
8351 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
8352 * builtins.c (type_to_class): Likewise.
8353 * fold-const.c (fold_convert, build_range_check,
8354 merge_ranges): Likewise.
8355 * expr.c (count_type_elements): Likewise.
8356 * c-pretty-print.c (pp_c_type_specifier): Likewise.
8357 * stor-layout.c (layout_type): Likewise.
8358 * ipa-type-escape.c (type_to_consider): Likewise.
8359 * gimplify.c (omp_firstprivatize_type_sizes,
8360 gimplify_type_sizes): Likewise.
8361 * explow.c (promote_mode): Likewise.
8362 * tree-sra.c (is_sra_scalar_type): Likewise.
8363 * varasm.c (output_constant): Likewise.
8364 * tree-inline.c (remap_type_1): Likewise.
8365 * convert.c (convert_to_pointer, convert_to_real,
8366 convert_to_integer, convert_to_complex): Likewise.
8368 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
8370 * df-scan.c (df_def_record_1): A set destination may
8371 be a parallel regardless of mode.
8373 2006-02-08 Roger Sayle <roger@eyesopen.com>
8376 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
8377 * config/mips/_tilib.c: Remove.
8378 * config/fixtfdi.c: New libgcc source file.
8379 * config/fixunstfdi.c: New source file.
8380 * config/floatditf.c: New source file.
8381 * config/floatunditf.c: New souce file.
8382 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8383 files above instead of config/mips/_tilib.c.
8384 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8386 2006-02-08 Jeff Law <law@redhat.com>
8388 PR tree-optimization/26169
8389 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
8392 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
8394 * df.h (DF_REG_SIZE): Return the length of the initialized
8397 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
8399 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
8400 __muldf3): Return a correctly signed zero.
8402 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
8404 * passes.c (register_one_dump_file): Accept the current properties
8405 instead of pass number. Adjust call to dump_register. Remove
8407 (register_dump_files): Now a wrapper around...
8408 (register_dump_files_1): ... this one. Do not modify the pass
8410 (next_pass_1): Cosmetic fix.
8411 (execute_todo): Keep second parameter only. Use curr_properties
8412 instead of fetching it from the pass structure. Check and set
8414 (execute_one_pass): Handle TODO_set_props. Use curr_properties
8415 instead of fetching it from the pass structure. Fix calls to
8416 execute_todo. Update curr_properties and initialize .vcg RTL dump
8417 after running the pass. Reset last_verified.
8418 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
8420 (FIRST_AUTO_NUMBERED_DUMP): New.
8421 (dump_register): Remove "num" parameter, assign it within the
8423 (get_dump_file_name): Modify template for dumps.
8424 * tree-dump.h (dump_register): Adjust prototype.
8425 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
8426 (PROP_trees): Add PROP_gimple_lomp.
8427 (TODO_set_props): New.
8428 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
8429 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
8430 * cfgexpand.c (pass_expand): Destroy PROP_trees.
8432 2006-02-08 Jakub Jelinek <jakub@redhat.com>
8434 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
8435 (sparc64-*-linux*): Likewise.
8436 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
8437 * config/sparc/t-linux: New file.
8438 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
8439 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
8440 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
8441 -m32 -mlong-double-128.
8443 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
8444 * config/alpha/t-linux: New file.
8445 * config/alpha/libgcc-alpha-ldbl.ver: New file.
8447 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
8448 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
8449 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
8450 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
8451 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
8452 (CPP_ARCH32_SPEC): Remove.
8454 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
8456 PR tree-optimization/26145
8457 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
8460 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8463 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
8464 >= 240000 when generating code for SOM runtime.
8465 (output_indirect_call): Don't use "b,l" instruction for indirect calls
8466 to $$dyncall when generating code for SOM runtime..
8468 2006-02-07 Dirk Mueller <dmueller@suse.com>
8471 * doc/invoke.texi (-Wsequence-point): Update documentation
8472 that -Wsequence-point is implemented for C++ as well.
8474 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8476 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
8477 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
8478 (LIB_SPEC): Likewise.
8479 * doc/invoke.texi (SPARC options): Document -pthread.
8481 2006-02-07 Geoffrey Keating <geoffk@apple.com>
8483 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
8486 2006-02-07 Roger Sayle <roger@eyesopen.com>
8488 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
8489 Correct comment describing BOOLEAN_TYPE.
8491 2006-02-07 Dirk Mueller <dmueller@suse.com>
8493 * c.opt: C++ frontend supports -Wdiv-by-zero.
8494 * c-opts.c (c_common_handle_option): Remove dead case.
8496 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8498 * configure.ac (TLS assembler check): Do not enable TLS by
8499 default on SPARC/Solaris before version 10.
8500 * configure: Regenerate.
8502 2006-02-07 David Edelsohn <edelsohn@gnu.org>
8504 * doc/invoke.texi (xl-compat): Document conversion and support
8507 2006-02-07 Jeff Law <law@redhat.com>
8509 * tree-vrp.c (find_conditional_asserts): Update comments.
8510 (simplify_stmt_for_jump_threading): New.
8511 (identify_jump_threads, finalize_jump_threads): New.
8512 (vrp_finalize): Call identify_jump_threads.
8513 (execute_vrp): Call finalize_jump_threads.
8514 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
8515 (vrp_element, vrp_data, vrp_element_p): Remove.
8516 (vrp_hash_elt, vrp_variables_stack): Remove.
8517 (vrp_hash, vrp_eq, record_range): Remove.
8518 (simplify_cond_and_lookup_avail_expr): Remove.
8519 (extract_range_from_cond): Remove.
8520 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
8521 (simplify_stmt_for_jump_threading): New.
8522 (dom_thread_across_edge): New wrapper.
8523 (tree_ssa_dominator_optimize): No longer initialize or
8524 finalize any of the VRP datastructures. Remove iteration
8525 step and simplify as a result of removal of iteration step.
8526 (pass_dominator): Perform a cfg cleanup after DOM.
8527 (dom_opt_finalize_block): Use the new common routines
8528 for threading jumps. Simplify stack management slightly.
8529 No longer need to unwind VRP state.
8530 (record_equivalences_from_incoming_edge): No longer record
8532 (eliminate_redundant_computations): No longer call
8533 simplify_cond_and_lookup_avail_expr.
8534 * tree-flow.h (potentially_threadable_block): Prototype.
8535 (thread_across_edge): Likewise.
8536 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
8537 (tree-ssa-threadedge.o): Add dependencies.
8538 * tree-ssa-threadedge.c: New file.
8539 * passes.c (init_optimization_passes): Merge PHIs before
8540 calling VRP. Run VRP again late in the SSA optimization pipeline.
8542 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
8544 * df-core.c (df_set_blocks): Do not dereference function pointers.
8545 (df_finish1): Likewise.
8546 (df_hybrid_search_forward): Likewise.
8547 (df_hybrid_search_backward): Likewise.
8548 (df_iterative_dataflow): Likewise.
8549 (df_analyze_problem): Likewise.
8550 (df_compact_blocks): Likewise.
8551 (df_dump): Likewise.
8552 * df-scan.c (df_rescan_blocks): Likewise.
8553 (df_record_entry_block_defs): Likewise.
8555 * genconditions.c (write_conditions): Guard the definition of
8556 'insn_conditions' with the check on GCC version.
8557 (write_writer): Guard the traversal 'insn_conditions' with
8558 the check on GCC version.
8560 2006-02-07 Richard Guenther <rguenther@suse.de>
8564 2006-01-30 Richard Guenther <rguenther@suse.de>
8566 * gimplify.c (gimplify_target_expr): Handle easy cases
8567 without creating a temporary.
8569 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
8571 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
8572 use of float in probability computations. Use edge probabilities
8573 in place of statically computed probabilities.
8574 (min_spec_prob): New static variable.
8575 (schedule_insns): Initialize it.
8576 (GET_SRC_PROB): Removed.
8577 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
8579 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
8582 * config/ia64/unwind-ia64.c: Revert last change.
8583 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
8584 (INCOMING_FRAME_SP_OFFSET): Define.
8586 2006-02-06 Roger Sayle <roger@eyesopen.com>
8588 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
8590 2006-02-07 Ben Elliston <bje@au.ibm.com>
8592 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
8593 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
8594 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
8595 (ix86_return_in_memory): Handle TDmode.
8596 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
8597 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
8599 2006-02-06 Richard Sandiford <richard@codesourcery.com>
8601 * reorg.c (dbr_schedule): Use dump_file instead of file.
8603 2006-02-06 Steve Ellcey <sje@cup.hp.com>
8606 * config/ia64/predicates.md (extr_len_operand): New predicate.
8607 * config/ia64/ia64.md (extv): Tighten constraints.
8609 (*tbit_and_2): Ditto.
8610 (*tbit_and_3): Ditto.
8611 (*tbit_or_2): Ditto.
8612 (*tbit_or_3): Ditto.
8616 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
8619 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
8621 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
8623 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
8624 loop_optimizer_init and loop_optimizer_finalize
8625 * tree-ssa-sink.c (execute_sink_code): Ditto.
8626 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
8627 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
8628 tree_ssa_loop_done): Ditto.
8629 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
8630 * sched-ebb.c: Include output.h.
8631 (schedule_ebbs): Do not use dump argument.
8632 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
8633 * loop.c (loop_dump_stream): Removed.
8634 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
8636 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
8637 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
8638 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
8639 loop_iterations, strength_reduce, record_biv, record_giv,
8640 final_giv_value, check_final_value, check_ext_dependent_givs,
8641 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
8642 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
8643 dump_file instead of loop_dump_stream.
8644 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
8646 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
8648 * flow.c (life_analysis, rest_of_handle_life): Ditto.
8649 * haifa-sched.c: Include output.h
8650 (schedule_insns, sched_init): Do not use dump argument.
8651 * mode-switching.c (optimize_mode_switching): Ditto.
8652 * modulo-sched.c (stats_file): Removed.
8653 (print_node_sched_params): Do not call argument dump_file.
8654 (sms_schedule_by_order, loop_canon_p, sms_schedule,
8655 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
8657 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
8659 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
8660 rtl_loop_init, rtl_loop_done): Ditto.
8661 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
8662 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
8664 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
8665 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
8666 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
8667 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
8668 * emit-rtl.c (renumber_insns): Ditto.
8669 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
8670 expand_gimple_basic_block, tree_expand_cfg): Ditto.
8671 * regclass.c (regclass): Ditto.
8672 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
8673 remove_ssa_form, rewrite_out_of_ssa): Ditto.
8674 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
8675 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
8677 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
8678 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
8680 * gcse.c (gcse_file, debug_stderr): Removed.
8681 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
8682 rest_of_handle_gcse): Do not use dump argument.
8683 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
8684 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
8685 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
8686 compute_code_hoist_vbeinout, compute_code_hoist_data,
8687 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
8688 compute_store_table, build_store_vectors, insert_insn_start_bb,
8689 insert_store, remove_reachable_equiv_notes, replace_store_insn,
8690 store_motion): Use dump_file instead of gcse_file.
8691 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
8692 * profile.c (profile_dump_file): Removed.
8693 (branch_prob): Use dump_file instead of profile_dump_file.
8694 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
8696 * tree-ssa-copy.c (dump_copy_of): Ditto.
8697 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
8698 dump file to life_analysis.
8699 * bt-load.c (branch_target_load_optimize): Ditto.
8700 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
8702 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
8703 regclass, dbr_schedule): Declaration changed.
8704 * sched-int.h (sched_init): Declaration changed.
8705 * tree-profile.c (tree_profile_dump_file): Removed.
8706 (tree_profile_hooks): Removed profile_dump_file hook.
8707 * rtl-profile (rtl_profile_dump_file): Removed.
8708 (rtl_profile_hooks): emoved profile_dump_file hook.
8709 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
8711 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
8712 * tree-cfg.c (build_tree_cfg): Ditto.
8713 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
8714 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
8715 Declaration changed.
8716 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
8717 life_analysis and schedule_insns.
8718 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
8720 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
8722 * config/mips/mips.c (mips_reorg): Ditto.
8723 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
8726 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
8728 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8729 (s390_mangle_fundamental_type): New.
8730 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8733 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8734 (alpha_mangle_fundamental_type): New.
8735 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8738 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8740 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
8742 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
8743 (sparc_mangle_fundamental_type): New.
8745 2006-02-06 Jakub Jelinek <jakub@redhat.com>
8747 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
8748 (s390x-*-linux*): Likewise.
8749 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
8750 * config/s390/t-linux: New file.
8752 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
8754 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
8755 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
8757 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
8759 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
8760 (ANTIC_SAFE_LOADS): New macro.
8761 (find_or_generate_expression): Add prototype.
8762 (set_contains_value): Allow null set for sake of not always having
8763 to allocate ANTIC_SAFE_LOADS.
8764 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
8765 Allow COMPONENT_REF too.
8766 (valid_in_set): Allow COMPONENT_REF.
8767 Check ANTIC_SAFE_LOADS too.
8768 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
8769 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
8771 (can_PRE_operation): Add COMPONENT_REF.
8772 (create_component_ref_by_pieces): New function.
8773 (create_expression_by_pieces): Use create_component_ref_by_pieces.
8774 (insert_aux): Move AGGREGATE_TYPE_P check here.
8775 (compute_avail): Set bb local stmt uids.
8776 (pass_pre): Use TODO_update_ssa_only_virtuals.
8778 2006-02-06 Ben Elliston <bje@au.ibm.com>
8780 * configure.ac: Unconditionally disable decimal float by default.
8781 * configure: Regenerate.
8783 2006-02-06 Ben Elliston <bje@au.ibm.com>
8785 * read-rtl.c (read_name): Terminate reading on EOF.
8787 2006-02-06 Ben Elliston <bje@au.ibm.com>
8789 * dfp.c (decimal_real_arithmetic): Change second argument type
8790 from int to enum tree_code. Do not always return true, but now
8791 return result of any call to decimal_do helper functions.
8792 * dfp.h (decimal_real_arithmetic): Update prototype.
8794 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
8796 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
8798 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
8801 * tree-cfg.c (cleanup_dead_labels): Also don't remove
8804 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
8806 * tree-vrp.c (cfg_loops): Removed.
8807 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
8808 Use current_loops instead of cfg_loops. Pass flags to
8809 loop_optimizer_init.
8810 * cfgloopmanip.c (fix_loop_structure): Update only available
8812 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
8813 loop_optimizer_init.
8814 * modulo-sched.c (build_loops_structure): Removed.
8815 (sms_schedule): Use loop_optimizer_init.
8816 * loop-init.c (loop_optimizer_init): Use flags to determine
8817 which properties of loops to prepare.
8818 (rtl_loop_init): Pass flags to loop_optimizer_init.
8819 * tree-ssa-sink.c (execute_sink_code): Ditto.
8820 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
8821 * tree-ssa-pre.c (init_pre): Ditto.
8822 * cfgloop.h (LOOPS_NORMAL): New.
8823 (loop_optimizer_init): Declaration changed.
8825 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8827 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
8828 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
8830 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
8832 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
8834 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
8835 * pa/t-pa64: Delete quadlib.c rule.
8836 * pa/x-ada: Revert last change.
8837 * pa/t-pa: Revert last change. Delete quadlib.c rule.
8839 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
8841 PR rtl-optimization/26087
8842 * rtlanal.c (canonicalize_condition): Do not cross basic block
8845 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
8848 * config/ia64/ia64.c: Include debug.h.
8849 (MAX_ARTIFICIAL_LABEL_BYTES): New.
8850 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
8851 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
8852 (process_epilogue, process_set, process_for_unwind_directive):
8853 Output unwind info only if requested. Add CFA info if requested.
8854 Add new arguments as needed. Adjust callers.
8855 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
8857 (DWARF2_FRAME_INFO): Define to zero.
8858 * config/ia64/unwind-ia64.c: Remove code that compensated for
8859 the CFA offset error fixed above.
8860 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
8861 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
8862 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
8863 -funwind-tables and -fexceptions to enable frame info.
8864 (dwarf2out_frame_init): Define initial CFA even if
8865 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
8866 DWARF2_UNWIND_INFO is nonzero, not just defined.
8867 (dwarf2out_frame_finish): Output non-EH call frame info only
8868 if DWARF2_FRAME_INFO is nonzero.
8869 (convert_cfa_to_loc_list,
8870 compute_frame_pointer_to_cfa_displacement): Define even if
8871 unwind info is not supported.
8872 (gen_subprogram_die): Use the above unconditionally. Remove
8873 legacy alternate code.
8874 * toplev.c (compile_file): Compile in call to
8875 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
8876 (lang_dependent_init): Ditto for dwarf2out_frame_init.
8878 2006-02-04 David Edelsohn <edelsohn@gnu.org>
8879 Jakub Jelinek <jakub@redhat.com>
8881 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
8882 IBM extended float format long double as "g" on powerpc*-linux.
8884 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8887 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
8888 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
8890 2006-02-03 Jason Merrill <jason@redhat.com>
8893 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
8896 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
8897 on the return slot if it's an NRV.
8899 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
8901 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
8902 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
8903 rewrite_use): Do not handle USE_OUTER.
8904 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
8905 add_iv_outer_candidates, may_replace_final_value,
8906 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
8907 (find_interesting_uses_op): Functionality of
8908 find_interesting_uses_outer_or_nonlin moved here.
8909 (find_interesting_uses_outside): Use find_interesting_uses_op.
8911 2006-02-03 Alan Modra <amodra@bigpond.net.au>
8914 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
8916 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
8917 Ulrich Weigand <uweigand@de.ibm.com>
8920 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
8921 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
8922 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
8923 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
8925 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
8926 (s390_rtx_costs): Use the new fields to calculate rtx costs.
8927 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
8928 Define secondary reloads for TFmode moves.
8929 (constant_modes): Add TFmode.
8930 (NR_C_MODES): Set to 8.
8931 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
8933 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
8934 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
8935 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
8936 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
8937 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
8938 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
8939 (FPR mode macro): Add TFmode.
8940 (DSF mode macro): New.
8941 (<de>, <dee> mode attributes): Removed.
8942 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
8943 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
8944 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
8945 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
8946 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
8947 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
8948 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
8949 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
8950 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
8951 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
8952 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
8953 "*negabs<mode>2", "sqrt<mode>2"):
8954 Changed <de> to <xde>. R constraint replaced by <Rf>.
8955 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
8957 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
8958 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
8959 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
8961 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
8962 "extenddftf2", "extendsftf2"): New expanders.
8963 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
8964 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
8965 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
8966 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
8968 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
8969 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
8970 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
8971 __floatditf): Add a GCC_4.1.0 symbol version tag.
8972 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
8975 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
8978 * config/i386/i386.c (ix86_function_ok_for_sibcall):
8979 Use targetm.binds_local_p instead of TREE_PUBLIC.
8981 2006-02-02 Roger Sayle <roger@eyesopen.com>
8983 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
8984 on INTEGER_TYPEs to indicate that it denotes a character type.
8985 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
8986 signed_char_type_node, unsigned_char_type_node and char_type_node.
8987 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
8988 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
8989 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
8991 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
8992 Daniel Berlin <dberlin@dberlin.org>
8994 * tree-tailcall.c (arg_needs_copy_p): New function.
8995 (eliminate_tail_call): Use arg_needs_copy_p.
8996 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
8997 (add_virtual_phis): New function.
8999 2006-02-02 Jakub Jelinek <jakub@redhat.com>
9001 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
9002 #ignore instead of #scratch for %g7 .register directive.
9004 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
9006 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
9009 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
9011 * flow.c (calculate_global_regs_live): Assert that there aren't any
9014 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
9016 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
9018 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
9019 bsi_after_labels iterator.
9020 * tree-if-conv.c (find_phi_replacement_condition,
9021 replace_phi_with_cond_modify_expr): Likewise.
9022 * tree-scalar-evolution.c (scev_const_prop): Likewise.
9023 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
9025 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9027 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
9029 2006-02-02 Diego Novillo <dnovillo@redhat.com>
9032 * tree-cfg.c (move_block_to_fn): Clear out the basic block
9033 array after growing it.
9035 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9038 * fold-const.c (fold_checksum_tree): Change type of buf.
9040 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
9042 * reload.c (push_secondary_reload): Initialize t_icode.
9044 2006-02-01 Jakub Jelinek <jakub@redhat.com>
9046 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
9047 -msoft-float -mlong-double-128 only issue a warning, but don't
9048 swich to DFmode long double.
9050 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
9052 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
9053 has a constant equivalent, iterate over equivalents for arg0,
9054 calling simplify_relational_operation and if there's a result
9055 cheaper than X, apply fold_rtx and return the result.
9057 2006-02-01 Jan Hubicka <jh@suse.cz>
9059 * opts.c (no_unit_at_a_time_default): New global variable.
9060 (decode_options): Use it.
9061 * opts.h (no_unit_at_a_time_default): Declare.
9063 2006-02-01 Paul Brook <paul@codesourcery.com>
9065 * function.c (assign_parm_setup_reg): Use function argument promotion
9067 * expr.c (expand_expr_real_1): Use function argument promotion rules
9070 2006-02-01 Steve Ellcey <sje@cup.hp.com>
9072 * gcc.c (process_command): Change j to 'unsigned int'.
9074 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9077 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
9078 Use the corrected index for the character
9079 out of the string constant.
9081 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9083 * mode-switching.c (optimize_mode_switching): Fix size
9084 allocated for bb_info[n_entities].
9086 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
9088 * gcc.c (main): Correct type that is allocated for
9089 explicit_link_files.
9091 2006-01-31 Jakub Jelinek <jakub@redhat.com>
9093 * config/s390/s390.c (init_alignment_context): Set
9094 ALIAS_SET_MEMORY_BARRIER on the MEM.
9095 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
9097 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
9100 * loop-unroll.c (unroll_loop_runtime_iterations): Free
9102 * tree-ssa-live.c (type_var_init): Allocate bitmap after
9105 2006-01-31 Marcin Dalecki <martin@dalecki.de>
9107 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
9108 * regrename.c: Ditto.
9109 * tree-ssa-loop-im.c: Ditto.
9110 * tree-dump.c: Ditto.
9111 * tree-complex.c: Ditto.
9112 * genrecog.c: Ditto.
9113 * tree-ssa-threadupdate.c: Ditto.
9115 * java/class.c: Ditto.
9116 * java/jcf-parse.c: Ditto.
9117 * java/resource.c: Ditto.
9118 * java/except.c: Ditto.
9119 * java/jvspec.c: Ditto.
9120 * java/jcf-write.c: Ditto.
9121 * java/jcf-path.c: Ditto.
9122 * java/gjavah.c: Ditto.
9123 * java/zextract.c: Ditto.
9124 * java/jcf-io.c: Ditto.
9125 * java/jcf.h: Ditto.
9126 * java/buffer.c: Ditto.
9127 * java/lang.c: Ditto.
9128 * java/parse-scan.y: Ditto.
9129 * java/lex.c: Ditto.
9130 * java/lex.h: Ditto.
9131 * cfgloopmanip.c: Ditto.
9132 * postreload-gcse.c: Ditto.
9133 * tree-ssa-loop-manip.c: Ditto.
9134 * postreload.c: Ditto.
9135 * tree-ssa-loop-ch.c: Ditto.
9139 * diagnostic.c: Ditto.
9141 * genoutput.c: Ditto.
9143 * cfghooks.c: Ditto.
9144 * cfgloopanal.c: Ditto.
9145 * objc/objc-act.c: Ditto.
9147 * genextract.c: Ditto.
9148 * genautomata.c: Ditto.
9149 * pretty-print.c: Ditto.
9151 * cgraphunit.c: Ditto.
9154 * haifa-sched.c: Ditto.
9155 * dominance.c: Ditto.
9157 * tree-ssa-loop-ivopts.c: Ditto.
9159 * mode-switching.c: Ditto.
9160 * modulo-sched.c: Ditto.
9162 * ipa-pure-const.c: Ditto.
9164 * fix-header.c: Ditto.
9166 * tree-stdarg.c: Ditto.
9167 * ipa-utils.c: Ditto.
9168 * loop-init.c: Ditto.
9169 * ipa-inline.c: Ditto.
9172 * alloc-pool.c: Ditto.
9173 * dwarf2out.c: Ditto.
9175 * genattrtab.c: Ditto.
9176 * tree-ssa-loop-ivcanon.c: Ditto.
9180 * fortran/gfortranspec.c: Ditto.
9182 * local-alloc.c: Ditto.
9183 * langhooks.c: Ditto.
9184 * function.c: Ditto.
9185 * tree-vectorizer.c: Ditto.
9187 * ipa-type-escape.c: Ditto.
9189 * tree-if-conv.c: Ditto.
9192 * tree-data-ref.c: Ditto.
9193 * loop-unroll.c: Ditto.
9194 * treelang/treetree.c: Ditto.
9197 * ggc-common.c: Ditto.
9199 * coverage.c: Ditto.
9201 * tree-cfgcleanup.c: Ditto.
9202 * tree-ssa-pre.c: Ditto.
9203 * cfgcleanup.c: Ditto.
9204 * loop-invariant.c: Ditto.
9206 * ipa-prop.c: Ditto.
9207 * print-tree.c: Ditto.
9208 * conflict.c: Ditto.
9209 * ggc-page.c: Ditto.
9210 * sched-deps.c: Ditto.
9211 * regclass.c: Ditto.
9212 * tree-object-size.c: Ditto.
9214 * bb-reorder.c: Ditto.
9215 * resource.c: Ditto.
9216 * var-tracking.c: Ditto.
9218 * df-problems.c: Ditto.
9219 * reg-stack.c: Ditto.
9222 * sched-rgn.c: Ditto.
9223 * tree-ssa-structalias.c: Ditto.
9224 * tree-ssa-reassoc.c: Ditto.
9225 * config/darwin-c.c: Ditto.
9226 * config/darwin.c: Ditto.
9227 * config/arm/arm.c: Ditto.
9229 * collect2.c: Ditto.
9232 2006-01-31 Nicolas Pitre <nico@cam.org>
9234 * arm.md (smaxsi3): Make aware of smax_m1.
9237 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
9239 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
9241 2006-01-31 Richard Guenther <rguenther@suse.de>
9243 * doc/invoke.texi (-msselibm): Document.
9244 * target.h (expand_library_builtin): New target hook.
9245 * builtins.c (expand_builtin): Use expand_library_builtin.
9246 (default_expand_library_builtin): New function.
9247 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9248 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9249 (link_gcc_math_spec): Declare.
9250 (static_specs): Add link_gcc_math_spec.
9251 * expr.h (default_expand_library_builtin): Declare.
9252 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9253 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9254 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9255 * config/i386/i386.opt (msselibm): New target option.
9256 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9257 (ix86_init_sse_abi_builtins): New function.
9258 (ix86_expand_library_builtin): Likewise.
9259 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9260 (override_options): Handle error conditions wrt -msselibm.
9261 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9262 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9263 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9266 2006-01-31 Richard Guenther <rguenther@suse.de>
9267 Paolo Bonzini <bonzini@gnu.org>
9269 * doc/install.texi (--disable-libgcc-math): Document.
9271 2006-01-30 Marcin Dalecki <martin@dalecki.de>
9273 * expr.h (expand_normal): new inline function.
9274 * builtins.c: use it, use EXPAND_NORMAL explicitely.
9276 * dwarf2out.c: use it.
9281 * config/sparc/sparc.c: use it.
9282 * config/i386/i386.c: use it.
9283 * config/rs6000/rs6000.c: use it.
9284 * config/arm/arm.c: use it.
9285 * config/mips/mips.c: use it.
9286 * stmt.c: use it, use EXPAND_NORMAL explicitely.
9288 2006-01-30 Roger Sayle <roger@eyesopen.com>
9290 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
9291 argv to the appropriate type.
9293 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
9295 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
9298 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
9301 * config/s390/s390.c (struct machine_function): New flag
9302 decomposed_literal_pool_addresses_ok_p.
9303 (s390_reorg): Set it before final stage of literal pool transforms.
9304 (s390_decompose_address): Only accept displacements of the form
9305 (minus (label_ref ...) (label_ref ...)) if that flag is set.
9307 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
9309 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
9310 the comparison routine return.
9312 2006-01-30 Michael Matz <matz@suse.de>
9314 * global.c (find_reg): Only evict for global regs.
9315 Take n_refs into account and dump more info.
9317 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
9320 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
9321 (pragma_trap, pragma_nosave_low_regs): Likewise.
9322 (current_function_anonymous_args): Likewise.
9323 (sh_deferred_function_attributes): New variable.
9324 (sh_deferred_function_attributes_tail): Likewise.
9325 (print_operand): For '@', look up trap_exit attribute.
9326 (calc_live_regs): Look up trapa_handler attribute. For trapa
9327 handlers, save/restore fpscr, but don't do any other
9328 interrupt-specific saves.
9329 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
9330 Fix check for partially saved registers to check for SHmedia.
9331 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
9332 (sh_output_function_epilogue): Don't clear any of the removed
9334 (sh_insert_attributes): Don't check pragma_interrupt.
9335 Insert deferred attributes. Check that interrupt attribute is
9336 present for other attributes that require its presence.
9337 (sh_attribute_table): Add new attributes trapa_handler and
9339 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
9340 Don't check for pragma_interrupt. Don't store argument.
9341 * sh.h (pragma_interrupt, sp_switch): Don't declare.
9342 (sh_deferred_function_attributes): Declare.
9343 (sh_deferred_function_attributes_tail): Likewise.
9344 * sh.md (sp_switch_1): Add operand. Change generator caller.
9345 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
9346 (*return_i): Don't use when trap_exit attribute is in effect.
9347 (*return_trapa): New insn pattern.
9349 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
9350 setting c_target_objs and cxx_target_objs.
9351 * t-sh: Add rule for sh-c.o.
9353 2006-01-30 Richard Guenther <rguenther@suse.de>
9356 * gimplify.c (gimplify_target_expr): Handle easy cases
9357 without creating a temporary.
9359 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
9361 * vec.h (safe_grow): Remove duplicated line.
9363 2006-01-29 Diego Novillo <dnovillo@redhat.com>
9366 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
9367 (expand_omp): ... here.
9368 (expand_omp_parallel): Only remove barriers for combined
9369 parallel+workshare constructs.
9371 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
9375 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
9376 * tree.c (build_qualified_type): Chain the new type to the original
9377 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
9378 a POINTER_TYPE or a REFERENCE_TYPE respectively.
9379 (build_pointer_type_for_mode): Only return unqualified types.
9380 (build_reference_type_for_mode): Likewise.
9382 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
9384 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
9385 * Makefile.in (CXX_COMPAT_WARN): Define.
9386 * configure: Regenerate.
9388 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
9391 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
9394 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9396 * toplev.c: Fix thinko.
9398 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
9399 Marcin Dalecki <martin@dalecki.de>
9401 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
9402 (push_srcloc): Use XNEW.
9403 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
9405 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
9407 * df-core.c (df_set_blocks): Deleted all variable.
9409 2006-01-28 Ian Lance Taylor <ian@airs.com>
9411 * cgraphunit.c (cgraph_assemble_pending_functions): Call
9412 cgraph_output_pending_asms.
9414 2006-01-28 Zack Weinberg <zackw@panix.com>
9416 * c.opt: Add -W(no-)overlength-strings.
9417 * doc/invoke.texi: Document it.
9418 * c-opts.c (c_common_handle_option): -pedantic implies
9419 -Woverlength-strings, if not explicitly disabled already.
9420 (c_common_post_options): -Woverlength-strings defaults to off, and
9421 is always off for C++.
9422 * c-common.c (fix_string_type): Issue warning about strings longer
9423 than is portable only if warn_overlength_strings. Rearrange code
9424 a little for clarity.
9425 * configure.in: Check for -Wno-overlength-strings as well before
9426 enabling -pedantic in stage 1.
9427 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
9428 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
9430 * genconditions.c (write_header, write_one_condition)
9431 (write_conditions, write_writer): Consolidate very long strings
9432 that were broken up to fit in C89 portable limit. Don't use
9433 printf when fputs will do.
9435 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
9437 * combine.c (simplify_comparison <AND>): Check
9438 TRULY_NOOP_TRUNCATION before start using a subreg.
9440 * config/mips/mips.md (*branch_zero<mode>,
9441 *branch_zero<mode>_inverted, *branch_equality<mode>,
9442 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
9443 Remove mode check from comparisons.
9445 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
9447 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
9449 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9451 * expmed.c (const_mult_add_overflow_p): Remove.
9452 * expr.h: Remove the prototype for const_mult_add_overflow_p.
9454 * recog.c (validate_replace_rtx_subexp): Remove.
9455 * recog.h: Remove the prototype for
9456 validate_replace_rtx_subexp.
9458 * integrate.h: Remove the prototype for
9459 copy_decl_for_inlining.
9460 * rtl.h: Remove the prototype for mark_constant_function.
9461 * tree-vectorizer.h: Remove the prototype for
9462 vect_strip_conversion.
9464 * modulo-sched.c (create_partial_schedule,
9465 free_partial_schedule, reset_partial_schedule): Make them
9468 * hooks.c (hook_bool_rtx_int_false): Remove.
9469 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
9471 2006-01-28 David Edelsohn <edelsohn@gnu.org>
9473 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9474 and -mlong-double-128 are incompatible.
9475 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
9476 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
9477 (TARGET_LIBGCC2_CFLAGS): Define.
9478 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
9479 (TARGET_LIBGCC2_CFLAGS): Same.
9480 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
9482 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
9485 * c-typeck.c (build_binary_op): Perform implicit casts of
9486 operands before shortening them.
9488 * cfgloopmanip.c (split_loop_bb): Remove.
9489 * cfgloop.h: Remove the prototype for split_loop_bb.
9491 * cfgloop.c (flow_loop_outside_edge_p): Remove.
9492 * cfgloop.h: Remove the prototype for
9493 flow_loop_outside_edge_p.
9495 * emit-rtl.c (init_virtual_regs): Make it static.
9496 * function.h: Remove the prototype for init_virtual_regs.
9498 * recog.c (peephole2_optimize): Make it static.
9499 * recog.h: Remove the prototype for peephole2_optimize.
9501 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9503 * df-scan.c (df_record_entry_block_defs): Check if
9504 INCOMING_RETURN_ADDR_RTX is defined.
9506 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
9507 Kenneth Zadeck <zadeck@naturalbridge.com>
9509 PR rtl-optimization/24762
9510 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9511 * targhooks.c (hook_void_bitmap): New hook prototype.
9512 * targhoohs.h (hook_void_bitmap): Ditto.
9513 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
9514 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
9515 * target.h (live_on_entry): New function pointer.
9516 * df-scan.c (df_all_hard_regs): Removed.
9517 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
9518 (df_scan_free_internal): Added df->entry_block_defs.
9519 (df_scan_alloc): Ditto.
9520 (df_scan_dump): Ditto.
9521 (df_uses_record): Plumbed flag field properly thru calls.
9522 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
9523 This part fixes PR24762.
9524 (df_bb_refs_record): Added code to make the frame and arg
9525 pointers live in EH blocks.
9526 (df_refs_record): Added call to df_record_entry_block_defs.
9527 (df_record_entry_block_defs): New function.
9528 * df-core.c: Added comments to describe new artifical defs.
9529 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
9530 (entry_block_defs): New field in struct df.
9531 (df_all_hard_regs): Deleted.
9532 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
9533 * df-problems.c (df_ru_bb_local_compute_process_def):
9534 Added code to handle artifical defs in the entry to a function.
9535 (df_ru_bb_local_compute): Ditto.
9536 (df_rd_bb_local_compute_process_def): Ditto.
9537 (df_rd_bb_local_compute): Ditto.
9538 (df_lr_bb_local_compute): Ditto.
9539 (df_ur_bb_local_compute): Ditto.
9540 (df_urec_bb_local_compute): Ditto.
9541 (df_chain_create_bb): Ditto.
9542 (df_ur_local_finalize): Removed entry.
9543 (df_urec_init): Ditto.
9544 (df_urec_local_finalize): Ditto.
9545 (df_ri_bb_compute): Added detection of last use of pseudos.
9546 * Makefile.in (df-scan.o): Updated dependencies.
9547 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
9548 * config/mips/mips.c (mips_set_live_on_entry): Added.
9549 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
9551 * dce.c (marked_insn_p): Added code to handle artifical defs.
9553 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
9555 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
9557 (_mm_cvtsi128_si64): Likewise.
9558 (_mm_cvtsd_si64): Likewise.
9559 (_mm_cvttsd_si64): Likewise.
9560 (_mm_cvtsi64_sd): Likewise.
9561 (_mm_cvtsi64_si128): Likewise.
9562 * config/i386/mmintrin.h (_m_from_int64): Likewise.
9563 (_mm_cvtsi64_m64): Likewise.
9564 (_m_to_int64): Likewise.
9565 (_mm_cvtm64_si64): Likewise.
9566 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
9567 (_mm_cvttss_si64): Likewise.
9568 (_mm_cvtsi64_ss): Likewise.
9569 (_mm_cvtss_f32): Likewise.
9571 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
9573 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
9574 for pragma redefine_extname.
9576 2006-01-27 Jakub Jelinek <jakub@redhat.com>
9579 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
9580 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
9581 -mno-minimal-toc to previous content.
9582 (bispecs): Remove goal.
9583 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
9584 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
9585 compatibility aliases on powerpc-*-*gnu*.
9586 * config/rs6000/libgcc-ppc-glibc.ver: New file.
9587 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
9588 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
9589 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
9590 (ldblspecs): New goal.
9591 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
9592 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
9594 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
9595 L_sf_to_tf or L_df_to_tf is defined.
9597 2006-01-27 David Edelsohn <edelsohn@gnu.org>
9598 Alan Modra <amodra@bigpond.net.au>
9601 * config/rs6000/linux.h (POWERPC_LINUX): Define.
9602 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
9603 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
9604 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
9605 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
9606 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
9607 (rs6000_override_options): Initialize rs6000_ieeequad.
9608 Initialize TFmode format to ibm_extended_format if not
9610 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
9612 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
9613 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
9614 (function_arg_advance): IBM long double passed in two FPRs, not
9616 (function_arg): IBM long double passed in FPRs.
9617 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
9618 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
9619 Only multireg GPR aligned.
9620 (rs6000_init_libfuncs): Enable IBM long double functions if not
9622 (rs6000_generate_compare): Use IBM long double compare if not
9624 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
9625 (TARGET_IEEEQUAD): Define.
9626 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
9627 not TARGET_IEEEQUAD.
9628 * config/rs6000/rs6000.md: Enable TFmode patterns if
9630 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
9631 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
9632 and -mlong-double-128 are incompatible.
9633 * doc/invoke.texi (-mabi): Collect options together. Add
9634 ibmlongdouble and ieeelongdouble.
9636 2006-01-27 Richard Sandiford <richard@codesourcery.com>
9638 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
9640 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
9641 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
9642 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
9643 * rtl.h (rtunion_def): Remove rt_ptr.
9645 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
9646 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
9647 * config/i386/winnt.c (i386_pe_mark_dllexport)
9648 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
9650 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
9652 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
9654 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
9658 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
9659 pthread_key_delete. From John David Anglin. gthrw-ify
9660 pthread_getunique_np only if it it's not a macro. Delete
9662 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
9663 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
9664 __gthread_objc_condition_signal, __gthread_key_delete): Add
9665 "__attribute__ ((__unused__))" to unused arguments.
9666 (__gthread_recursive_mutex_init_function): Add missing return.
9667 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
9668 gthr-posix95.h: Use macro-based approach for name redirection
9669 on targets missing weakref.
9671 2006-01-26 Zack Weinberg <zackw@panix.com>
9673 * genconditions.c (write_header): In generated code, #ifdef out
9674 all includes and fake declarations, except includes of bconfig.h
9675 and system.h, unless GCC_VERSION >= 3001. Do not include
9676 gensupport.h in any case.
9677 (write_conditions): Generate a definition of struct c_test. Add
9678 a comment to the generated #endif.
9679 (write_one_condition): Escape backslashes in string too.
9680 (write_writer): Generated code must escape backslashes and quote
9681 marks (but not newlines) in the strings it writes.
9682 * Makefile.in (build/gencondmd.o): Update dependencies.
9684 2006-01-26 Steve Ellcey <sje@cup.hp.com>
9687 * Makefile.in (insn-automata.o): Add header file dependencies.
9688 * genautomata.c: Add includes.
9690 2006-01-26 Steve Ellcey <sje@cup.hp.com>
9693 * Makefile.in (insn-automata.o): Add -Wno-error flag.
9695 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
9697 * configure.ac: Expect target tools paths to be passed from the toplevel
9698 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
9700 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
9702 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
9705 * c.opt (Wpointer-sign): Init to -1.
9706 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
9707 OPT_pedantic, to 0 otherwise.
9708 * doc/invoke.texi: Update.
9710 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
9712 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
9713 constants provided by 80387 instructions in the destination mode.
9715 2006-01-26 Richard Guenther <rguenther@suse.de>
9716 Andrew Pinski <pinskia@physics.uc.edu>
9719 partial PR tree-opt/17064
9720 * tree-ssa-structalias.c (intra_create_variable_infos):
9721 Create heap variables for incoming parameters if
9722 flag_argument_noalias > 1.
9723 (find_what_p_points_to): Look through default defs of
9726 2006-01-26 Jeff Law <law@redhat.com>
9729 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
9730 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
9731 within the VR_RANGE, use the VR_RANGE as the result, not the
9733 (adjust_range_with_scev): Reject ranges from SCEV which are out of
9734 bounds for the type.
9736 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
9738 * tree-ssa-alias.c (maybe_create_global_var): Change
9739 subvar walking to an assertion that we don't have subvar'd variables.
9741 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
9744 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
9745 Use a new variable, inner. PARM_DECLs are always non-weak.
9747 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
9749 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
9752 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
9754 * config/mips/mips.md (*clear_upper32): New combiner pattern.
9756 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
9758 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
9759 (smax_insn, smin_insn, smax_0, smin_0): New.
9761 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
9764 * config/cris/cris.c (cris_order_for_addsi3): New function.
9765 * config/cris/cris-protos.h: Prototype it.
9766 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
9767 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
9768 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
9769 (split for "op.S1 [rx=rx+i],ry (swapped)")
9770 (split for "op(s|u).S1 [rx=rx+i],ry")
9771 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
9772 Apply cris_order_for_addsi3 when generating addsi3 insns.
9774 2006-01-25 Diego Novillo <dnovillo@redhat.com>
9776 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
9777 (TREE_BLOCK): Add call to EXPR_CHECK.
9779 2006-01-25 Diego Novillo <dnovillo@redhat.com>
9782 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
9783 * tree-pretty-print.c (dump_omp_clause): Extract from ...
9784 (dump_omp_clauses): ... here.
9785 (dump_generic_node): Handle OMP_CLAUSE.
9786 * tree.c (omp_clause_num_ops): New.
9787 (omp_clause_code_name): New.
9788 (tree_code_size): Handle OMP_CLAUSE.
9789 (tree_size): Likewise.
9790 (make_node): Document handling of OMP_CLAUSE.
9791 (tree_node_structure): Handle OMP_CLAUSE.
9792 (omp_clause_check_failed): New.
9793 (omp_clause_range_check_failed): New.
9794 (omp_clause_operand_check_failed): New.
9795 (build_omp_clause): New.
9796 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
9797 * tree.h (enum omp_clause_code): Declare.
9798 (OMP_CLAUSE_SUBCODE_CHECK): Define.
9799 (OMP_CLAUSE_RANGE_CHECK): Define.
9800 (OMP_CLAUSE_ELT_CHECK): Define.
9801 (omp_clause_check_failed): Declare.
9802 (omp_clause_operand_check_failed): Declare.
9803 (omp_clause_range_check_failed): Declare.
9804 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
9805 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
9806 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
9807 (OMP_CLAUSE_LASTPRIVATE): Likewise.
9808 (OMP_CLAUSE_IF_EXPR): Likewise.
9809 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
9810 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
9811 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
9812 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
9813 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
9814 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
9815 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
9816 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
9817 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
9818 (OMP_CLAUSE_CODE): Define.
9819 (OMP_CLAUSE_SET_CODE): Define.
9820 (OMP_CLAUSE_CODE): Define.
9821 (OMP_CLAUSE_OPERAND): Define.
9822 (struct tree_omp_clause): Declare.
9823 (union tree_node): Add field 'omp_clause'.
9824 * treestruct.def (TS_OMP_CLAUSE): Define.
9825 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
9826 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
9827 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
9828 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
9829 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
9830 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
9831 (OMP_CLAUSE): Define.
9832 * print-tree.c (print_node): Handle OMP_CLAUSE.
9833 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
9834 * c-typeck.c: Likewise.
9835 * gimplify.c: Likewise.
9836 * c-omp.c: Likewise.
9837 * tree-nested.c: Likewise.
9838 * tree-inline.c: Likewise.
9839 * c-parser.c: Likewise.
9840 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
9843 2006-01-25 Roger Sayle <roger@eyesopen.com>
9845 PR rtl-optimization/25703
9846 * combine.c (try_combine): Handle zero_extract and strict_low_part
9847 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
9849 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
9851 * global.c: Fix comment typos.
9853 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
9856 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
9857 Use output_addr_const instead of assemble_name.
9859 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
9861 * Makefile.in (sched-vis.o): Update dependencies.
9862 * haifa-sched.c (sched_finish): Clear current_sched_info.
9863 * cfg.c (dump_bb_info): New, split from dump_flow_info.
9864 (dump_flow_info): Call it.
9865 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
9867 * basic-block.h (dump_bb_info): Declare.
9868 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
9869 option, and apply options only for dump files whose TDF_RTL,
9870 TDF_TREE, or TDF_IPA bits match.
9871 * rtl.h: Declare new functions exported from sched-vis.c.
9872 * sched-vis.c: Enable also if scheduling is not used.
9873 (print_value): Print the mode of registers if not inside scheduling.
9874 (print_insn): Make it work outside the scheduler. Beautify the output
9876 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
9878 2006-01-25 Richard Sandiford <richard@codesourcery.com>
9880 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
9881 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
9882 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
9883 depending on the value of CONSTANT_POOL_ADDRESS_P.
9884 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
9886 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
9887 rather than SYMBOL_REF_DECL.
9888 (rtx_constant_pool): Remove const_rtx_sym_htab.
9889 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
9890 (init_varasm_status): Don't initialize const_rtx_sym_htab.
9891 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
9892 Remove handling of const_rtx_sym_htab.
9893 (find_pool_constant): Delete.
9894 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
9895 rather than find_pool_constant.
9896 (get_pool_constant_for_function): Delete.
9897 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
9899 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
9900 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
9901 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
9902 (SYMBOL_REF_CONSTANT): New macro.
9903 (get_pool_constant_for_function): Delete.
9904 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
9905 rather than SYMBOL_REF_DECL.
9906 (i386_pe_mark_dllimport): Likewise.
9907 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
9908 rather than SYMBOL_REF_DECL.
9909 * config/darwin.c (machopic_indirect_data_reference): Likewise.
9910 (machopic_indirect_call_target): Likewise.
9912 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
9914 * flow.c (delete_noop_moves): Add missing EOL to dump message.
9916 2006-01-25 Richard Sandiford <richard@codesourcery.com>
9918 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
9920 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
9922 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
9924 2006-01-24 David Daney <ddaney@avtrex.com>
9927 * configure.ac (enable_tls): New enable option.
9928 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
9929 * configure: Regenerate.
9930 * doc/install.texi (--enable-tls): Document new option.
9931 (--disable-tls): Ditto.
9933 2006-01-24 Richard Henderson <rth@redehat.com>
9935 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
9936 * alias.c (true_dependence): Respect it.
9937 (canon_true_dependence, write_dependence_p): Likewise.
9938 * builtins.c (get_builtin_sync_mem): Set it.
9940 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
9942 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
9945 2006-01-24 DJ Delorie <dj@redhat.com>
9947 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
9948 for storing constants in single-bit bitfields.
9950 2006-01-25 Ben Elliston <bje@au.ibm.com>
9952 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
9954 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
9957 * tree-ssa-pre.c (phi_translate): Return NULL
9958 for AGGREGATE_TYPE's.
9960 2006-01-24 Zack Weinberg <zackw@panix.com>
9962 * genautomata.c (process_state_for_insn_equiv_partition):
9963 Use xcalloc for insn_arcs_array.
9964 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
9965 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
9967 2006-01-24 Richard Henderson <rth@redhat.com>
9969 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
9972 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
9974 PR rtl-optimization/25890
9975 PR rtl-optimization/25905
9976 * combine.c (expand_compound_operation, expand_field_assignment):
9977 Fail if the bitfield's final position is out of bounds.
9979 2006-01-24 Ian Lance Taylor <ian@airs.com>
9982 * cgraphunit.c (cgraph_output_in_order): Don't clear
9983 cgraph_asm_nodes until after asm strings have been output.
9985 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
9987 * fix-header.c (read_scan_file): Add new parameter imultilib when
9988 calling register_include_chains.
9990 2006-01-23 Diego Novillo <dnovillo@redhat.com>
9992 * omp-low.c: Update documentation.
9994 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
9995 Daniel Berlin <dberlin@dberlin.org>
9999 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
10000 return from the function.
10002 2006-01-22 Zack Weinberg <zackw@panix.com>
10004 * rtl.def (match_code): Add second argument.
10005 * genpreds.c (write_extract_subexp): New function.
10006 (write_match_code): Add path argument. Use write_extract_subexp.
10007 (write_predicate_expr): Pass path to write_match_code.
10008 (mark_mode_tests): MATCH_CODE applied to a subexpression does
10009 not perform a mode test.
10010 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
10011 a subexpression does not constrain the top-level code set.
10012 * read-rtl.c (read_rtx_variadic): New function.
10013 (read_rtx_1): Use it; allow AND and IOR to be variadic.
10014 * doc/md.texi: Document new notation.
10015 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
10016 (cmpsi_operand): ... here, using new notation.
10018 2006-01-22 Zack Weinberg <zackw@panix.com>
10020 * varray.c: Remove GENERATOR_FILE #ifdefs.
10022 2006-01-22 Zack Weinberg <zackw@panix.com>
10024 * genautomata.c (output_reserved_units_table): Emit nothing if
10025 description->query_units_num is zero. Remove extra blank line.
10026 (output_cpu_unit_reservation_p): Short circuit
10027 if description->query_units_num is zero.
10029 2006-01-22 Zack Weinberg <zackw@panix.com>
10031 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
10032 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
10033 nor any of the random handful of variables that used to be necessary
10034 when this program was linked with rtlanal.o. Prune set of forward
10035 function declarations.
10036 (struct attr_desc): Remove static_p field.
10037 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
10038 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
10039 (attr_string): Do not read the character one past the length of
10041 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
10042 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
10043 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
10044 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
10045 (make_automaton_attrs): New.
10046 (main): Do not call into genautomata. Call local gen_bypass
10047 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
10048 Remove special case for insn_alts.
10049 * genautomata.c: Include gensupport.h; not genattrtab.h nor
10050 varray.h (leftover from previous change). Prune set of forward
10051 function declarations. Remove state_alts fields from all
10052 structures. Remove state_alts_table from struct automaton.
10053 Make everything except main static. Do not maintain num_dfa_decls.
10054 Do not maintain state_alts fields of various structures.
10055 (process_decls): Don't validate condexp for dm_insn_reserv decls.
10056 (add_arc): Remove state_alts argument. All callers updated.
10057 (output_reserved_units_table): Emit #ifdef here...
10058 (output_tables): ...not here. Don't generate state_alts tables.
10059 (expand_automata): Don't generate attributes.
10060 (write_automata): Don't generate state_alts functions.
10061 (main): New function.
10062 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
10063 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
10064 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
10065 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
10066 (BYPASS_P_FUNC_NAME, output_state_alts_table)
10067 (output_automata_list_state_alts_code, output_internal_state_alts_func)
10068 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
10069 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
10071 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
10072 * genattrtab.h: Delete file.
10073 * Makefile.in (OBJS-common): Add insn-automata.o.
10074 (insn-automata.o): New rule.
10075 (simple_generated_c): Add insn-automata.c.
10076 (build/genattrtab.o, build/genautomata.o): Update dependencies.
10077 (genprogmd): Add automata.
10078 (build/genattrtab): Needs no extra objects nor libraries.
10079 (build/genautomata): Needs build/vec.o and -lm.
10081 2006-01-22 Zack Weinberg <zackw@panix.com>
10083 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
10084 (output_dfa_max_issue_rate, locked_states_num): Delete.
10085 (struct automaton): Add locked_states field.
10086 (output_dead_lock_vect): Save number of locked states in
10087 automaton->locked_states. If it is zero, don't print anything.
10088 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
10089 (output_internal_dead_lock_func): Only test the dead_lock_vect
10090 for automata that have locked states.
10091 (output_statistics): Always print the number of locked states for
10092 each automaton. Calculate total number of locked states here.
10093 (write_automata): Don't call output_dfa_max_issue_rate.
10094 * genattrtab.c: Define length_unit_log as a const variable.
10095 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
10096 max_insn_queue_index const.
10097 * final.c (length_unit_log): Declare const.
10098 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
10100 2006-01-22 Zack Weinberg <zackw@panix.com>
10102 * genautomata.c: Include vec.h, not varray.h.
10103 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
10104 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
10105 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
10106 VEC_* macros operating on appropriately typed vectors, or to
10107 malloced arrays when the size is known in advance. Const-ify
10108 many char* variables and function arguments. No functional changes.
10109 * Makefile.in (build/varray.o): Delete rule.
10110 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
10111 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
10113 2006-01-22 Zack Weinberg <zackw@panix.com>
10115 * gensupport.c: Define get_insn_name and record_insn_name here.
10116 (read_md_rtx): Call record_insn_name as appropriate.
10117 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
10118 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
10119 * genpreds.c, genrecog.c: Don't define get_insn_name nor
10121 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
10122 (BUILD_VARRAY): Delete.
10123 (genprognormal): Rename genprogmd. Fold in all programs from
10124 genprognoprint; also attrtab.
10125 (build/genattrtab): Just mention genautomata.o and varray.o.
10126 Reorganize a bit, add comments to make the categories clearer.
10128 2006-01-22 Zack Weinberg <zackw@panix.com>
10130 * genconditions.c (condition_table, add_condition): Delete.
10131 (write_conditions): Don't emit n_insn_conditions nor
10132 insn_elision_unavailable. Issue the gcc version #ifdef here,
10133 inside the table, with no #else clause ...
10134 (write_header): ...not here.
10135 (write_writer): New function.
10136 (main): Don't initialize condition_table. Use add_c_test.
10138 * gensupport.c (init_md_reader_args_cb): Handle multiple input
10139 files on the command line.
10140 (maybe_eval_c_test): Don't check insn_elision_unavailable.
10141 Return -1 if there is no entry in the table, don't abort.
10142 (add_c_test, traverse_c_tests): New functions.
10143 * gensupport.h (insn_elision_unavailable, insn_conditions)
10144 (n_insn_conditions): Delete declarations.
10145 (add_c_test, traverse_c_tests): Declare.
10146 * read-rtl.c: Include gensupport.h.
10147 (read_conditions): New function.
10148 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
10149 (read_rtx_1): If we get EOF when we were looking for an initial
10150 open paren, return 0. Call read_conditions when appropriate.
10151 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
10152 dummy-conditions.o. Eliminate references to insn-conditions.o,
10153 or change them to build/gencondmd.o, as appropriate. Remove
10154 insn-constants.h from $(simple_generated_h) and insn-conditions.c
10155 from $(simple_generated_c). For all files remaining in those
10156 two lists, add insn-conditions.md to the generator command line.
10157 Give insn-constants.h/s-constants their own rules. Add rules
10158 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
10159 (build/read-rtl.o): Depend on gensupport.h.
10160 (genprognormal): Include preds.
10161 (genprogearly): Rename genprognoprint; only difference is now that
10162 they don't link with $(BUILD_PRINT).
10163 * dummy-conditions.c: Delete.
10165 2006-01-22 Zack Weinberg <zackw@panix.com>
10167 * genextract.c: Don't include insn-config.h. Do include vec.h.
10168 Declare vectors of int, char, and locstr.
10169 (locstr): New typedef.
10170 (struct extraction): Make all array fields into bare pointers.
10171 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
10172 (insn_code_number): Delete.
10173 (accum_extract): New struct.
10174 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
10175 (gen_insn): Take insn_code_number as an argument. Use an
10176 accum_extract structure instead of loading data directly into
10177 a struct extraction, and having to know how big it might get.
10178 (walk_rtx): Operate entirely on an accum_extract structure.
10179 (print_path): Avoid unnecessary use of printf.
10180 (print_header): New function, split out of main. Distinguish
10181 more carefully between an unrecognizable insn and an insn that
10182 has the code number of a define_expand.
10183 (main): Pass insn_code_number to gen_insn. Call print_header
10184 only after parsing. Avoid unnecessary use of printf.
10185 * Makefile.in (build/vec.o): New rule.
10186 (build/genextract): Depend on build/vec.o.
10187 (build/genextract.o): Don't depend on insn-config.h.
10189 2006-01-22 Zack Weinberg <zackw@panix.com>
10191 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
10192 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
10193 practical. Eliminate per-generator-program link rules.
10195 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
10197 PR middle-end/24437
10198 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10199 with a call expr to ...
10200 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10202 2006-01-23 Richard Guenther <rguenther@suse.de>
10204 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
10205 before make_edge with conditional EDGE_TRUE_VALUE.
10207 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
10208 Jan Hubicka <jh@suse.cz>
10209 Richard Guenther <rguenther@suse.de>
10211 PR rtl-optimization/25654
10212 * cfgexpand.c (aggregate_contains_union_type): New function.
10213 (add_alias_set_conflicts): Call it. Make sure to add conflicts
10214 for structure variables that contain a union type.
10216 2006-01-23 Richard Sandiford <richard@codesourcery.com>
10218 * gengtype.c (new_structure): Return the structure.
10219 (create_option): Add an extra "next" argument.
10220 (create_field): New function.
10221 (adjust_field_rtx_def): Use create_option and create_field.
10222 Remove a now-unnecessary call to find_structure.
10223 (adjust_field_tree_def): Likewise.
10224 (note_yacc_type): Remove an unnecessary call to find_structure.
10225 * gengtype.h (new_structure): Return the structure.
10226 (create_option): Add an extra argument.
10227 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
10228 (option): Adjust calls to create_option.
10230 2006-01-22 David Edelsohn <edelsohn@gnu.org>
10232 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
10234 2006-01-22 Paul Brook <paul@codesourcery.com>
10235 Peter Barada <peter@the-baradas.com>
10237 * config/m68k/m68k.md: Add Coldfire FPU support.
10238 Define FP mode macro and associated attributes.
10239 Use it for float mode patterns.
10240 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
10241 (LIBCALL_VALUE): Use m68k_libcall_value.
10242 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
10243 (m68k_function_value): Ditto.
10244 (emit_move_sequence): Ditto.
10245 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
10246 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
10247 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
10248 (MULTILIB_EXCEPTIONS): Ditto.
10249 * config/m68k/m68k.opt: Add mcfv4e.
10250 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
10251 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
10252 (m68k_output_function_prologue): Save ColdFire FPU registers.
10253 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
10254 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
10255 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
10256 ColdFire FPU registers.
10257 (m68k_libcall_value, m68k_function_value): New functions.
10258 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
10259 (LIBCALL_VALUE): Use m68k_libcall_value.
10260 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
10261 (MASK_COLDFIRE): Add MASK_CFV4E.
10262 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
10263 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
10264 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
10265 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
10266 (GO_IF_LEGITIMATE_ADDRESS): Use it.
10267 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
10268 * doc/invoke.tex: Document -mcfv4e on m68k.
10270 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
10272 * doc/contribute.texi: Change CVS to SVN and update the corresponding
10275 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
10278 * c-opts.c (c_common_handle_option): Don't include
10279 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
10280 * doc/invoke.texi (C++ Dialect Options): Document that
10281 -Wnon-virtual-dtor is no longer included in -Wall.
10283 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
10285 * gcov.c (print_version), gcov-dump.c (print_version),
10286 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
10289 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
10291 * df-scan.c (problem_SCAN): Added NULL reset function.
10292 (df_scan_reset_blocks): Added code to call reset block function
10293 (df_bb_refs_delete) Fixed comment.
10294 (df_insn_refs_delete): Made tolerant of deleting non existent info
10295 for dataflow problems that need to be reset.
10296 * df-core.c (df_set_blocks): Ditto.
10297 * df.h (struct df_problem): Added reset_fun.
10298 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
10299 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
10300 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
10301 functions to clear out all references to def-use or use-def chains.
10303 2006-01-21 Ben Elliston <bje@au.ibm.com>
10305 * varasm.c (assemble_real): Initialise data array.
10307 2006-01-20 Paul Brook <paul@codesourcery.com>
10309 Merge from csl-arm-branch.
10310 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
10311 * config/arm/arm.md (movdi): Force operands[1] to a register
10312 if we have a non-register source.
10313 (*arm_movdi, *movdf_soft_insn): Require that one of the
10314 operands be a register.
10315 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
10316 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
10318 2006-01-20 DJ Delorie <dj@redhat.com>
10320 * varasm.c (initializer_constant_valid_p): Allow pointers
10321 initialized from integer constants of lesser precision.
10322 (output_constant): Allow non-int-sized pointer modes to be
10323 initialized from integer constants.
10325 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
10328 * cppdefault.h (struct default_include): Add multilib flag.
10329 * cppdefault.c (cpp_include_defaults): Set it.
10330 * c.opt (-imultilib): New option.
10331 * c-opts.c (imultilib): New.
10332 (c_common_handle_option): Handle -imultilib.
10333 (c_common_post_options): Likewise.
10334 * c-incpath.c (add_standard_paths, register_include_chains):
10336 * c-incpath.h (register_include_chains): Add extra parameter.
10337 * gcc.c (do_spec_1): Generate -imultilib option.
10338 (The Specs Language): Update %I description.
10339 (process_command): Update copyright notice.
10340 * doc/cppopts.texi (-imultilib): Document.
10341 * doc/invoke.texi (-imultilib): Include in option summary.
10342 (%I): Update specs documentation.
10344 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10346 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
10348 2006-01-20 Richard Sandiford <richard@codesourcery.com>
10350 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
10353 2006-01-20 Richard Guenther <rguenther@suse.de>
10354 Steven Bosscher <stevenb.gcc@gmail.com>
10356 PR rtl-optimization/24626
10357 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
10358 EDGE_TRUE_VALUE if in RTL mode.
10361 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
10362 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
10364 2006-01-20 Dirk Mueller <dmueller@suse.com>
10367 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
10368 instead of a special NOP marker.
10369 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
10370 NOP marker handling.
10371 * c-common.h (empty_body_warning): Add forward declaration.
10372 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
10373 Now uses IS_EMPTY_STMT() instead of special NOP markers.
10375 2006-01-20 Paul Brook <paul@codesourcery.com>
10377 * Makefile.in (lang_checks): Keep going if mkdir fails.
10379 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10381 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
10382 be able to clean out basic block when not necessary.
10383 (df_scan_free): Fixed to properly delete information if df is
10384 unused before calling df_finish.
10385 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
10386 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
10388 (df_bb_refs_delete): New function.
10389 (df_refs_delete): Moved per block code to df_bb_refs_delete.
10390 * df-core.c (df_set_blocks): Added code to properly clean out
10391 unused blocks if they are not part of the blocks to consider.
10392 Added additional null check.
10393 (df_compact_blocks): Added basic block parameter to free_bb_fun to
10394 be able to clean out basic block when not necessary
10395 * df.h (df_free_bb_function): Ditto.
10396 (df_bb_refs_delete): New function.
10397 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
10398 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
10399 basic block parameter to be able to clean out basic block when not
10401 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
10402 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
10403 Fixed to properly delete information if df is unused before
10406 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
10408 PR rtl-optimization/25799
10409 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
10410 Corrected confluence operator to remove bits from op2 before oring
10411 with op1 rather than removing bits from op1.
10412 (df_ru_transfer_function): Corrected test on wrong bitmap which
10413 caused infinite loop. Both of these problems were introduced in
10414 the dataflow rewrite.
10416 2006-01-19 DJ Delorie <dj@redhat.com>
10418 * reload1.c (find_reload_regs): Note the details of reload
10419 failures in the dump file.
10420 (spill_failure): Likewise.
10422 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
10424 * loop-iv.c: Include df.h and hashtab.h.
10425 (enum iv_grd_result): New enum.
10426 (DF_REF_IV, DF_REF_IV_SET): New macros.
10427 (struct biv_entry): New.
10428 (df, bivs): New global variables.
10429 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
10430 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
10432 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
10433 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
10434 analyzed_for_bivness_p, record_biv): New functions.
10435 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
10436 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
10437 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
10439 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
10441 (iv_number_of_iterations): Use new interface to iv analysis.
10442 * loop-unroll.c: Do not include varray.h.
10443 (analyze_iv_to_split_insn): Use new interface to iv
10445 * loop-unswitch.c (may_unswitch_on): Ditto.
10446 * df.c (df_bitmaps_free): Only work for bbs for that structures are
10448 (df_bb_modify): Realloc tables to the new index.
10449 (df_find_use): New function.
10450 * df.h (df_find_use): Declare.
10451 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
10453 * cfgloop.h (struct rtx_iv): Remove analysed field.
10454 (iv_get_reaching_def): Removed.
10455 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
10456 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
10457 (loop-iv.o): Add df.h and hashtab.h dependency.
10458 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
10460 2006-01-20 Alan Modra <amodra@bigpond.net.au>
10463 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
10465 (__floatundisf, __floatundidf): Likewise.
10466 * libgcc2.h (IS_IBM_EXTENDED): Define.
10468 2006-01-19 DJ Delorie <dj@redhat.com>
10470 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
10472 2006-01-19 Paul Brook <paul@codesourcery.com>
10474 * config/arm/arm.c (arm_compute_func_type): Treat all functions
10475 as nothrow when unwinding tables are disabled.
10477 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10480 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
10481 of bit-field" when in system header.
10483 2006-01-19 DJ Delorie <dj@redhat.com>
10485 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
10486 the 16 bit shift limit of the m16c.
10488 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
10491 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
10492 * config/i386/i386.c (output_set_got): Output the label if we have one
10493 for the TARGET_DEEP_BRANCH_PREDICTION case.
10495 2006-01-19 Jan Hubicka <jh@suse.cz>
10496 H.J. Lu <hongjiu.lu@intel.com>
10497 Evandro Menezes <evandro.menezes@amd.com>
10499 * invoke.texi (generic): Document
10501 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
10502 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
10503 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
10504 (x86_use_incdec, x86_pad_returns): New variables
10505 (TARGET_CPU_DEFAULT_generic): New constant
10506 (TARGET_CPU_DEFAULT_NAMES): Add generic.
10507 (enum processor_type): Add generic32 and generic64.
10508 * i386.md (cpu attribute): Add generic32/generic64
10509 (movhi splitter): Behave sanely when both partial_reg_dependency and
10510 partial_reg_stall are set.
10511 (K8 splitters): Enable for generic as well.
10512 * predicates.md (incdec_operand): Use TARGET_INCDEC
10513 (aligned_operand): Avoid memory mismatch stalls.
10514 * athlon.md: Enable for generic64, new patterns for 128bit moves.
10515 * ppro.md: Enable for generic32
10516 * i386.c (generic64_cost, generic32_cost): New.
10517 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
10518 (x86_use_leave): Enable for generic64. (x86_use_sahf,
10519 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
10520 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
10521 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
10522 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
10523 x86_partial_reg_dependency, x86_memory_mismatch_stall,
10524 x86_accumulate_outgoing_args, x86_prologue_using_move,
10525 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
10526 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
10527 Enable for generic.
10528 (x86_use_incdec, x86_pad_returns): New.
10529 (override_options): Add generic32 and generic64, translate "generic"
10530 to generic32/generic64 and "i686" to "generic32", refuse
10531 "generic32"/"generic64" as arch target.
10532 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
10533 (ix86_reorg): Honor PAD_RETURNS.
10535 2006-01-19 Diego Novillo <dnovillo@redhat.com>
10537 * tree-pretty-print.c (dump_generic_node): Handle
10538 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
10539 * cgraph.c (cgraph_expand_queue): Rename from
10540 cgraph_analyze_queue. Update all users.
10541 * cgraphunit.c (cgraph_assemble_pending_functions): Process
10542 cgraph_expand_queue.
10543 (cgraph_expand_all_functions): Likewise.
10544 (cgraph_finalize_pending_functions): Remove. Update callers.
10546 * tree.h (OMP_DIRECTIVE_P): Define.
10547 (OMP_PARALLEL_FN): Define.
10548 (OMP_PARALLEL_DATA_ARG): Define.
10549 (OMP_SECTIONS_SECTIONS): Define.
10550 * tree-pass.h (pass_expand_omp): Declare.
10551 * omp-low.c (struct omp_region): Declare.
10552 (struct omp_context): Remove fields 'parallel_type',
10553 'parallel_start_ix' and 'parallel_start_additional_args'.
10555 (struct omp_for_data): Rename from struct expand_omp_for_data.
10556 (omp_regions): New static variable.
10557 (root_omp_region): New static variable.
10558 (find_omp_clause): Make static.
10559 (is_in_combined_parallel_ctx): Remove.
10560 (is_combined_parallel): New.
10561 (extract_omp_for_data): Move earlier in the file.
10562 (workshare_safe_to_combine_p): New.
10563 (get_ws_args_for): New.
10564 (determine_parallel_type): Move earlier in the file.
10565 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
10567 (omp_copy_decl): Likewise.
10568 (create_omp_child_function): Likewise.
10569 (lookup_omp_region): New.
10570 (dump_omp_region): New.
10571 (debug_omp_region): New.
10572 (debug_all_omp_regions): New.
10573 (new_omp_region): New.
10574 (scan_omp_parallel): If parallel_nesting_level > 1, the
10575 directive is nested within another parallel directive.
10576 Set OMP_PARALLEL_FN.
10577 (scan_omp_for): Do not try to handle combined parallel+for
10579 Remove FIXME comment.
10580 (scan_omp_nested): Remove.
10581 (scan_omp_1): Do not call scan_omp_nested when
10582 parallel_nesting_level is > 1.
10583 Do not change the DECL_CONTEXT of local variables found.
10584 (lookup_decl_in_outer_ctx): New.
10585 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
10586 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
10587 (lower_reduction_clauses): Rename from expand_reduction_clauses.
10588 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
10589 If CTX is nested, lookup VAR in the outer context when
10590 building copy assignment.
10591 (lower_send_clauses): Rename from expand_send_clauses.
10592 If CTX is nested, lookup VAR in the outer context when
10593 building copy assignments.
10594 (lower_send_shared_vars): Rename from expand_send_shared_vars.
10595 If CTX is nested, lookup VAR in the outer context when
10596 building copy assignments.
10597 (expand_parallel_call): Rename from build_parallel_call.
10598 Handle combined parallel+workshare cases.
10599 Re-implement to emit code into the CFG.
10601 (expand_omp_parallel): Re-implement to emit code into the CFG.
10602 Call move_sese_region_to_fn to outline the sub-graph
10603 containing the parallel region.
10604 (expand_omp_for_1): Remove.
10605 (expand_omp_for_generic): Re-implement to emit code into the
10607 (expand_omp_for_static_nochunk): Likewise.
10608 (expand_omp_for_static_chunk): Likewise.
10609 (expand_omp_for): Likewise.
10610 (expand_omp_sections): Likewise.
10611 (remove_exit_barriers): New.
10612 (expand_omp_synch): New.
10614 (build_omp_regions_1): New.
10615 (build_omp_regions): New.
10616 (execute_expand_omp): New.
10617 (gate_expand_omp): New.
10618 (pass_expand_omp): Define.
10619 (lower_omp_sections): Rename from expand_omp_sections.
10620 Set OMP_SECTIONS_SECTIONS.
10621 (lower_omp_single_simple): Rename from expand_omp_single_simple.
10622 (lower_omp_single_copy): Rename from expand_omp_single_copy.
10623 (lower_omp_single): Rename from expand_omp_simple.
10624 (lower_omp_master): Rename from expand_omp_master.
10625 (lower_omp_ordered): Rename from expand_omp_ordered.
10626 (lower_omp_critical): Rename from expand_omp_critical.
10627 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
10628 (lower_omp_for): Re-implement.
10629 (lower_omp_parallel): Re-implement.
10630 (lower_regimplify): Rename from expand_regimplify.
10631 (lower_omp_1): Rename from expand_omp_1.
10632 If there are syntax errors in the program, replace every
10633 OpenMP directive with NOP.
10634 Call lower_omp_* instead of expand_omp_*.
10635 (lower_omp): Rename from expand_omp.
10637 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
10638 * tree-gimple.h (enum omp_parallel_type): Remove.
10639 (gimple_boolify): Declare extern.
10640 (find_omp_clause, determine_parallel_type): Remove.
10642 * gimple-low.c (lower_omp_directive): New.
10643 (lower_stmt): Call it.
10644 (record_vars_into): Move from ...
10645 (record_vars): ... here.
10646 Call record_vars_into with current_function_decl.
10648 * gimplify.c (struct gimplify_ctx): Remove fields
10649 combined_pre_p and combined_ctxp. Update users.
10650 (get_formal_tmp_var): Add documentation.
10651 (gimple_boolify): Make extern.
10652 (gimplify_expr_in_ctx): Remove. Update callers.
10653 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
10654 will always be a BIND_EXPR.
10655 (gimplify_expr): Handle OMP_RETURN_EXPR.
10656 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
10657 (OMP_PARALLEL): Add 3 operands.
10658 (OMP_SECTIONS): Add 1 operand.
10659 (OMP_RETURN_EXPR): Define.
10661 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
10662 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
10663 * tree-iterator.c (alloc_stmt_list): Assert that we are not
10664 creating a circular free list.
10665 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
10667 * tree-flow.h (move_sese_region_to_fn): Declare.
10668 (record_vars_into): Declare.
10669 * tree-cfg.c (make_omp_sections_edges): New.
10670 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
10671 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
10672 OMP_SECTIONS and OMP_SECTION.
10673 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
10674 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
10675 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
10676 (gather_blocks_in_sese_region): New.
10677 (struct move_stmt_d): Declare.
10678 (move_stmt_r): New.
10679 (move_block_to_fn): New.
10680 (move_sese_region_to_fn): New.
10682 * passes.c (init_optimization_passes): Schedule
10683 pass_expand_omp after pass_init_datastructures.
10685 * tree-ssa-operands.c (get_expr_operands): Handle
10686 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
10687 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
10689 2006-01-19 Jeff Law <law@redhat.com>
10691 * tree-vrp.c (extract_range_from_assert): Refine the result range
10692 if the variable referenced by the ASSERT_EXPR has a range and
10693 either the tentative result range or the previous range is a
10696 2006-01-19 Richard Sandiford <richard@codesourcery.com>
10698 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
10700 2006-01-19 Jan Hubicka <jh@suse.cz>
10702 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
10704 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
10706 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
10707 (expand_compound_operation, expand_field_assignment): Fail if the
10708 bit lengths of an extract operation are out of range.
10709 (make_extraction): Compute wanted_inner_mode based on the position
10710 and length of the extraction. Make it extraction_mode for non-constant
10711 positions, and do not modify offset in that case. When generating a
10712 new MEM, use a mode that can hold the extraction while keeping correct
10713 alignment. Remove code that supported MEMs wrapped by USEs.
10714 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
10716 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
10718 * config/s390/s390.md ("Y", "y"): New mode attribute.
10719 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
10720 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
10721 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
10722 "*addsi3_imm_cc", "*addsi3_carry1_cc",
10723 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
10724 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
10725 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
10726 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
10727 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
10728 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
10729 "addsi3", "subsi3"): Insn patterns removed.
10730 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
10731 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
10732 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
10733 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
10734 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
10735 "*sub<mode>3_cconly2"): New insn patterns.
10736 ("addsi3", "subsi3"): New expanders.
10738 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
10740 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
10741 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
10742 existing STMT_VINFO_VECTYPE if available.
10743 (vect_mark_relevant): Add special handling for stmts that are
10744 marked as STMT_VINFO_IN_PATTERN_P.
10745 (vect_analyze_loop): Call vect_pattern_recog.
10746 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
10747 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
10749 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
10750 (vect_recog_func_ptr): New function-pointer type.
10751 * tree-vect-patterns.c: New file.
10752 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
10753 (vect_recog_dot_prod_pattern, vect_pattern_recog):
10754 (vect_pattern_recog_1): New functions.
10755 (vect_pattern_recog_funcs): New array of function pointers.
10757 * tree-vectorizer.h (ternary_op): New enum value.
10758 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
10759 declaration. Revised documentation. Removed redundant dump prints.
10760 Removed redundant argument. Added support for reduction patterns.
10761 (vectorizable_reduction): Added support for reduction patterns.
10762 (vect_transform_stmt): Added support for patterns.
10764 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
10765 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
10766 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
10767 (expand_widen_pattern_expr): New function.
10768 (init_optabs): Initialize new optabs udot_prod_optab,
10770 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
10771 (sdot_prod_optab, udot_prod_optab): Define new optabs.
10772 (expand_widen_pattern_expr): New function declaration.
10773 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
10775 * tree-inline.c (estimate_num_insns_1): Added cases for new
10776 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
10777 * tree-pretty-print.c (dump_generic_node): Likewise.
10778 (op_prio): Likewise.
10779 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
10780 * tree-ssa-operands.c (get_expr_operands): Added case for
10782 * tree-vect-patterns.c (widened_name_p): New function.
10783 (vect_recog_dot_prod_pattern): Added function implementation.
10784 * tree-vect-transform.c (get_initial_def_for_reduction): Added
10785 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
10786 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
10787 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
10789 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
10790 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
10791 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
10792 (init_optabs): Initialize new optabs widen_ssum_optab,
10794 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
10795 (widen_ssum_optab, widen_usum_optab): Define new optabs.
10796 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
10797 use instead of type of def.
10798 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
10799 function implementation.
10800 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
10801 widen_ssumv8hi): New.
10803 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
10806 2006-01-19 Richard Sandiford <richard@codesourcery.com>
10809 * c-decl.c (add_flexible_array_elts_to_size): New function.
10810 (finish_decl): Use it.
10812 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
10814 * diagnostic.h: Include options.h.
10815 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
10816 dependancies for diagnostic.h.
10817 * Makefile.in (DIAGNOSTIC_H): Add options.h.
10819 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
10821 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
10822 (ssa_ro_call_cache_valid): Ditto.
10823 * tree-ssa-alias.c (sort_tags_by_id): New function.
10824 (init_transitive_clobber_worklist): Ditto.
10825 (add_to_worklist): Ditto.
10826 (mark_aliases_call_clobbered): Ditto.
10827 (compute_tag_properties): Ditto.
10828 (set_initial_properties): Ditto.
10829 (compute_call_clobbered): Ditto.
10830 (compute_may_aliases): Call compute_call_clobbered and grouping.
10831 (compute_flow_sensitive_aliasing): Remove clobbering related code.
10832 (compute_flow_insensitive_aliasing): Grouping now happens in our
10834 (setup_pointers_and_addressables): Remove clobbering related code.
10835 (add_may_alias): Ditto.
10836 (replace_may_alias): Ditto.
10837 (get_nmt_for): Ditto.
10838 (create_global_var):
10839 (is_escape_site): Return an escape_type enumeration.
10840 * tree-flow-inline.h (is_call_clobbered): Global var does not
10841 imply call clobbered.
10842 (mark_call_clobbered): Take a reason for marking this. Remove
10843 marking of globalness, and cache invalidation.
10844 (clear_call_clobbered): Remove cache invalidation code.
10845 * tree-dfa.c (dump_variable): If details is on, dump the reason
10847 * tree-outof-ssa.c (create_temp): Copy escape mask from original
10849 * tree-flow.h (struct ptr_info_def): Add escape mask member.
10850 (struct var_ann_d): Ditto.
10851 (enum escape_type): New.
10852 (mark_call_clobbered): Adjust prototype.
10853 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
10854 are never call clobbered.
10855 Record reasons for escaping.
10856 * tree-ssa-structalias.h (is_escape_site): Update prototype.
10857 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
10858 (ssa_ro_call_cache_valid): Ditto.
10859 (clobbered_v_may_defs): Ditto.
10860 (clobbered_vuses): Ditto.
10861 (ro_call_vuses): Ditto.
10862 (clobber_stats): New.
10863 (init_ssa_operands): Zero out clobber stats.
10864 (fini_ssa_operands): Print out clobber stats.
10865 (get_call_expr_operands): Pass callee fndecl to
10866 add_call_read_ops).
10867 (add_call_clobber_ops): Remove use of cache.
10868 Add use of PURE_CONST information.
10869 (add_call_read_ops): Remove use of cache.
10870 Add use of static not_read information.
10872 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
10874 Introduce TLS descriptors for i386 and x86_64.
10875 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
10876 (TARGET_ANY_GNU_TLS): New macro.
10877 (enum tls_dialect): Added TLS_DIALECT_GNU2.
10878 (struct machine_function): Add tls_descriptor_call_expanded_p.
10879 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
10880 (ix86_current_function_calls_tls_descriptor): Likewise.
10881 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
10882 (override_options): Introduce gnu2 tls dialect.
10883 (ix86_frame_pointer_required): Functions containing TLSCALLs are
10885 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
10887 (legitimize_tls_address): Adjust logic for GNU2 TLS.
10888 (ix86_init_machine_status): Initialize new field.
10889 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
10890 (ix86_tls_module_base): New.
10891 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
10892 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
10893 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
10894 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
10895 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
10896 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
10897 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
10898 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
10899 * config/i386/predicates.md (tls_modbase_operand): New.
10900 (tp_or_register_operand): New.
10902 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
10904 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
10905 (look_for_address_of): Ditto.
10906 (ipa_init): Walk the function decls.
10907 (static_execute): Don't set readonly on FUNCTION_DECL's.
10909 2006-01-18 Roger Sayle <roger@eyesopen.com>
10911 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
10912 for shifts where the source and destination registers are different.
10914 2006-01-18 Paul Brook <paul@codesourcery.com>
10916 Merge from csl-arm-branch.
10917 2005-03-14 Julian Brown <julian@codesourcery.com>
10918 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
10919 (aeabi_llsl): Likewise.
10920 (ashrdi3): Likewise.
10921 (aeabi_lasr): Likewise.
10922 (lshrdi3): Likewise.
10923 (aeabi_llsr): Likewise.
10924 2005-03-10 Julian Brown <julian@codesourcery.com>
10925 * config.gcc: Disable shared libgcc for SymbianOS.
10926 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
10928 2006-01-18 DJ Delorie <dj@redhat.com>
10930 * c-pragma.c (handle_pragma_diagnostic): New.
10931 (init_pragma): Register it.
10932 * doc/extend.texi: Document it.
10934 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
10935 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
10936 (diagnostic_context): Add classify_diagnostic[].
10937 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
10938 as errors if they're overridden to DK_WARNING.
10939 (diagnostic_initialize): Initialize classify_diagnostic[].
10940 (diagnostic_set_kind_override): New.
10941 (diagnostic_report_diagnostic): Check for kind changes.
10942 * opts.c (common_handle_option): Take lang_mask. Update callers.
10943 Handle OPT_Werror_.
10944 * common.opt (Werror=): New.
10945 * doc/invoke.texi: Document -Werror=*
10947 2006-01-18 Jeff Law <law@redhat.com>
10949 * tree-vrp.c (test_for_singularity): Correct test for new
10950 min limit. Use operand_equal_p rather than pointer equality
10951 for testing if new min/max values are equal.
10953 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
10954 using range information until after propagation and folding.
10956 2006-01-18 Richard Henderson <rth@redhat.com>
10957 Aldy Hernandez <aldyh@redhat.com>
10958 Jakub Jelinek <jakub@redhat.com>
10959 Diego Novillo <dnovillo@redhat.com>
10961 * omp-low.c: New file.
10962 * c-omp.c: New file.
10964 2006-01-18 Richard Henderson <rth@redhat.com>
10965 Jakub Jelinek <jakub@redhat.com>
10966 Diego Novillo <dnovillo@redhat.com>
10968 * doc/invoke.texi: Document -fopenmp.
10969 * tree-dump.h (debug_function): Declare.
10970 * hooks.c (hook_bool_tree_bool_false): New function.
10971 (hook_tree_tree_null): Remove.
10972 (hook_tree_tree_tree_null): New.
10973 * hooks.h: Update to match.
10974 * tree-pretty-print.c (debug_tree_chain): New.
10975 (print_generic_expr): Handle TDF_CHAIN.
10976 (dump_generic_node): Handle BLOCK.
10977 Do not abort with incomplete SWITCH_EXPRs.
10978 Do not dump body of an OpenMP directive if TDF_SLIM is given.
10979 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
10980 print space after directive name.
10981 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
10982 Handle OMP_MASTER and OMP_ORDERED.
10983 Handle printing of OMP_BODY just in one place, goto
10984 dump_omp_body in the rest of OMP_* nodes that have
10986 Don't handle clause nodes here. Update omp statements to
10987 use dump_omp_clauses.
10988 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
10989 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
10990 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
10991 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
10992 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
10993 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
10994 Adjust output for GOMP_PARALLEL.
10995 (dump_omp_clauses): New.
10996 (print_declaration): Dump DECL_VALUE_EXPR.
10997 (op_symbol_1): Split out of op_symbol.
10998 (dumping_stmts): Remove. Update all users.
10999 * cgraph.c (cgraph_analyze_queue): New.
11000 (cgraph_add_new_function): New.
11001 * cgraph.h (cgraph_analyze_queue): Declare.
11002 (cgraph_add_new_function): Declare.
11003 (cgraph_lower_function): Remove.
11004 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
11005 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
11006 and TYPE_P nodes in its default clause.
11007 (empty_body_p): New.
11008 (tree_range_check_failed): New.
11009 (build5_stat): New.
11010 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
11011 OMP_CLAUSE_REDUCTION_MERGE,
11012 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
11013 OMP_CLAUSE_PRIVATE_DEBUG,
11014 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
11015 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
11016 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
11017 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
11018 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
11019 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
11020 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
11021 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
11022 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
11023 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
11024 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
11025 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
11026 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
11027 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
11028 (TREE_RANGE_CHECK): New.
11029 (empty_body_p): Declare.
11030 (enum omp_clause_default_kind): New.
11031 (build_string_literal): Declare.
11032 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
11033 (build5_stat, build5): Declare.
11034 * tree-pass.h (TDF_CHAIN): Define.
11035 * tree-pass.h (PROP_gimple_lomp): Define.
11036 (pass_lower_omp): Declare.
11037 * diagnostic.h (debug_tree_chain): Declare.
11038 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
11040 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
11041 * builtins.c (build_string_literal): Make extern.
11042 * gcc.c (include_spec_function): New.
11043 (static_spec_functions): Add it.
11044 (main): Move load of libgomp.spec ...
11045 (LINK_COMMAND_SPEC): ... here.
11046 (link_gomp_spec): New.
11047 (static_specs): Include it.
11048 (LINK_COMMAND_SPEC): Add link_gomp.
11049 (GOMP_SELF_SPECS): New.
11050 (driver_self_specs): Include it.
11051 (switch_matches): Don't mark inline.
11052 (main): Load libgomp.spec.
11053 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
11054 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
11055 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
11056 * tree-gimple.h (enum omp_parallel): Declare.
11057 (determine_parallel_type): Declare.
11058 (omp_firstprivatize_variable): Declare.
11059 (omp_reduction_init): Declare.
11060 (diagnose_omp_structured_block_errors): Declare.
11061 (struct walk_stmt_info): Add want_return_expr.
11062 (struct walk_stmt_info): Add want_bind_expr, want_locations.
11063 (find_omp_clause): Declare.
11064 (insert_field_into_struct): Declare.
11065 (struct walk_stmt_info): Move from tree-nested.c
11066 (walk_stmts): Declare.
11067 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
11069 * cgraphunit.c (cgraph_lower_function): Make static.
11070 (cgraph_finalize_pending_functions): New.
11071 (cgraph_finalize_function): Call it.
11072 (cgraph_finalize_compilation_unit): Likewise.
11073 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
11074 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
11075 (BT_FN_UINT_UINT): New.
11076 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
11077 DEF_FUNCTION_TYPE_VAR_4): Document.
11078 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
11079 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
11080 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
11081 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
11082 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
11083 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
11084 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
11085 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
11086 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
11087 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
11088 into separate files.
11089 (DEF_GOMP_BUILTIN): New.
11090 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
11091 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
11092 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
11093 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
11094 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
11095 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
11096 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
11097 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
11098 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
11099 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
11100 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
11101 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
11102 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
11103 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
11104 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
11105 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
11106 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
11107 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
11108 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
11109 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
11110 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
11111 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
11112 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
11113 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
11114 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
11115 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
11116 * sync-builtins.def: New file, moved from builtins.def.
11117 * omp-builtins.def: New file, moved from builtins.def.
11118 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
11119 * gimple-low.c (lower_function_body): Clear data.
11120 (lower_stmt): Do not handle COMPOUND_EXPR.
11121 Remove call to print_node_brief.
11122 * c-tree.h (c_finish_omp_clauses): New prototype.
11123 (C_DECL_THREADPRIVATE_P): Define.
11124 (lookup_name_no_remap, c_omp_remap_private): Remove
11125 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
11126 (check_for_loop_decls): Update decl.
11127 (lookup_name_no_remap, c_omp_remap_private): Declare.
11128 (build_indirect_ref, build_modify_expr, pushdecl,
11129 pushdecl_top_level): Move to c-common.h.
11130 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
11131 before the switch, but just in the 2 places that need it.
11132 * c-decl.c (diagnose_mismatched_decls): Do not check for
11133 mismatched thread-local attributes when OLDDECL is marked
11134 threadprivate and NEWDECL has no thread-local attributes.
11135 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
11136 (c_gimple_diagnostics_recursively): Rename from
11137 c_warn_unused_result_recursively. Invoke
11138 diagnose_omp_structured_block_errors.
11139 (check_for_loop_decls): Return a singular decl found.
11140 * langhooks.c (lhd_omp_predetermined_sharing): Return
11141 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
11142 (lhd_omp_firstprivatize_type_sizes): New.
11143 (lhd_omp_assignment): New.
11144 (lhd_omp_predetermined_sharing): New.
11145 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
11146 (struct lang_hooks_for_types): Add
11147 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
11148 omp_predetermined_sharing, omp_disregard_value_expr,
11149 omp_private_debug_clause, omp_clause_default_ctor,
11150 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
11151 (c_finish_omp_clauses): New.
11152 (c_finish_bc_stmt): Diagnose break within omp for.
11153 (c_begin_omp_parallel, c_finish_omp_parallel): New.
11154 (build_unary_op): Return error_mark after reporting
11156 (build_modify_expr): Likewise.
11157 * gimplify.c: Include optabs.h and pointer-set.h.
11158 (enum gimplify_omp_var_data): Declare.
11159 (struct gimplify_omp_ctx): Declare.
11160 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
11162 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
11163 (push_gimplify_context, pop_gimplify_context): Allow nesting.
11164 (splay_tree_compare_decl_uid): New.
11165 (new_omp_context): New.
11166 (delete_omp_context): New.
11167 (gimple_add_tmp_var): Call omp_add_variable.
11168 (gimplify_bind_expr): Likewise.
11169 (gimplify_var_or_parm_decl): If omp_notice_variable returned
11170 true, disregard DECL_VALUE_EXPR on the decl if any.
11171 (gimplify_expr_in_ctx): New.
11172 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
11173 omp_add_variable, omp_notice_variable, omp_is_private
11174 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
11175 gimplify_adjust_omp_clauses, gimplify_omp_parallel
11176 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
11177 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
11178 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
11179 gimplify_omp_atomic): New.
11180 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11181 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11182 OMP_CRITICAL and OMP_ATOMIC.
11183 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
11184 * c-pragma.h (enum pragma_kind): Add
11185 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
11186 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
11187 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
11188 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
11189 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
11190 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
11191 PRAGMA_OMP_THREADPRIVATE.
11192 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
11193 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
11194 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
11195 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
11196 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
11197 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
11198 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
11199 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
11200 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
11201 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
11202 * tree-ssa-dce.c (find_control_dependence): Do not assume that
11203 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
11204 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
11206 (struct nesting_info): Add field_map,
11207 suppress_expansion, debug_var_chain.
11208 (create_nesting_tree): Initialize them.
11209 (lookup_field_for_decl): Use field_map.
11210 (get_nonlocal_debug_decl, get_local_debug_decl): New.
11211 (convert_local_omp_clauses): New.
11212 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
11213 (walk_body): Split out of walk_function.
11214 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
11215 (convert_nonlocal_reference): Handle omp statements.
11216 (convert_local_reference): Likewise.
11217 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
11218 (unnest_nesting_tree): New.
11219 (lower_nested_functions): Call it.
11220 (insert_field_into_struct): Make extern.
11221 (struct walk_stmt_info): Move to tree-gimple.h.
11222 (walk_stmts): Make extern.
11223 * omp-builtins.def: New file.
11224 * tree-iterator.c (expr_only): Clarify comment.
11225 * c-common.h (pushdecl_top_level, pushdecl,
11226 build_modify_expr, build_indirect_ref,
11227 c_finish_omp_master, c_finish_omp_critical,
11228 c_finish_omp_ordered, c_finish_omp_barrier,
11229 c_finish_omp_atomic, c_finish_omp_flush,
11230 c_finish_omp_for, c_split_parallel_clauses,
11231 omp_clause_default_kind, c_omp_sharing_predetermined,
11232 c_omp_remap_decl): Declare.
11233 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
11234 (OBJS-common): Add omp-low.o.
11235 (c-omp.o, omp-low.o): Add.
11236 (gimplify.o): Add dependency on $(OPTABS_H).
11237 (GTFILES): Add omp-low.c.
11238 (gt-stringpool.h): Add.
11239 * tree-cfg.c (set_bb_for_stmt): Do not update the
11240 block-to-labels map if we are currently expanding to RTL.
11241 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
11243 Handle IDENTIFIER_NODE.
11244 (tree_verify_flow_info): Do not ICE when emitting error
11245 messages about invalid labels.
11246 (dump_function_to_file): Reset CFUN before emitting the body
11248 (debug_function): New.
11249 * passes.c (init_optimization_passes): Schedule
11251 * langhooks-def.h (lhd_omp_predetermined_sharing,
11252 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
11254 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
11255 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
11256 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
11257 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
11258 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
11259 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
11260 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
11261 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
11262 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
11263 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
11264 (LANG_HOOK_DECLS): Use them.
11266 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
11267 Richard Henderson <rth@redhat.com>
11268 Jakub Jelinek <jakub@redhat.com>
11269 Diego Novillo <dnovillo@redhat.com>
11271 * c-parser.c (pragma_omp_clause): Define.
11272 (c_parser_declaration_or_fndef): Document OpenMP syntax.
11273 (c_parser_compound_statement): Likewise.
11274 (c_parser_statement): Likewise.
11275 (c_parser_pragma): Handle omp pragmas.
11276 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
11277 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
11278 (c_parser_omp_clause_name, check_no_duplicate_clause,
11279 c_parser_omp_variable_list,
11280 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
11281 c_parser_omp_clause_copyprivate,
11282 c_parser_omp_clause_default,
11283 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
11284 c_parser_omp_clause_lastprivate,
11285 c_parser_omp_clause_nowait,
11286 c_parser_omp_clause_num_threads,
11287 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
11288 c_parser_omp_clause_reduction,
11289 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
11290 c_parser_omp_all_clauses, c_parser_omp_structured_block,
11291 c_parser_omp_atomic, c_parser_omp_barrier,
11292 c_parser_omp_critical, c_parser_omp_flush,
11293 c_parser_omp_for_loop, c_parser_omp_for,
11294 c_parser_omp_master, c_parser_omp_ordered,
11295 c_parser_omp_sections_scope, c_parser_omp_sections,
11296 c_parser_omp_parallel, c_parser_omp_single,
11297 c_parser_omp_construct, c_parser_omp_threadprivate): New.
11298 * c-pragma.c (init_pragma): Do omp pragma registration here.
11299 * c.opt (fopenmp): New flag.
11301 2006-01-18 Eric Christopher <echristo@apple.com>
11303 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
11304 * config/darwin.h (GOMP_SELF_SPECS): Define.
11306 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11308 * rtl.h: Remove the prototype for reg_alloc.
11310 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11313 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
11314 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
11315 sjlj and dwarf2 exception handling.
11316 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
11317 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
11318 * pa/pa.c (function_value): Treat complex and vector types as
11320 (function_arg): Likewise. Only pass scalar floats in the floating
11321 point argument registers.
11322 * pa/t-slibgcc-dwarf-ver: New file.
11323 * pa/t-slibgcc-sjlj-ver: New file.
11324 * pa/t-slibgcc-elf-ver: Delete file.
11326 2006-01-19 Alan Modra <amodra@bigpond.net.au>
11328 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
11329 unlikely_test_section_p test.
11331 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11333 * mode-switching.c (optimize_mode_switching): Make it static.
11334 * basic-block.h: Remove the prototype for
11335 optimize_mode_switching.
11337 * modulo-sched.c (sms_schedule): Make it static.
11338 * rtl.h: Remove the prototype for sms_schedule.
11340 * postreload-gcse.c (gcse_after_reload_main): Make it static.
11341 * rtl.h: Remove the prototype for gcse_after_reload_main.
11343 * reg-stack.c (reg_to_stack): Make it static.
11344 * rtl.h: Remove the prototype for reg_to_stack.
11346 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
11348 * rtl.h: Remove the prototypes for regrename_optimize and
11349 copyprop_hardreg_forward.
11351 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
11353 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
11354 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
11355 Test against the appropriate null constant for the mode.
11356 If 'fixup_overlap' is true, swap the operands if they overlap.
11357 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
11358 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
11359 alpha_split_tmode_pair and adjust for above change.
11360 * config/alpha/alpha.md (movtf_internal): Adjust call to
11361 alpha_split_tfmode_pair and rely on it to swap the operands.
11362 (movti_internal): New insn and post-reload splitter.
11363 (movti): New expander.
11365 2006-01-18 Philippe De Muyter <phdm@macqel.be>
11367 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
11370 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
11372 * rtlanal.c (global_reg_mentioned_p_1,
11373 global_reg_mentioned_p): Remove.
11374 * rtl.h: Remove the prototype for global_reg_mentioned_p.
11376 * flow.c (initialize_uninitialized_subregs): Make it static.
11377 * rtl.h: Remove the prototype for
11378 initialize_uninitialized_subregs.
11380 * function.c (instantiate_virtual_regs): Make it static.
11381 * function.h: Remove the prototype for
11382 instantiate_virtual_regs.
11384 * regmove.c (regmove_optimize, combine_stack_adjustments):
11386 * rtl.h: Remove the prototypes for regmove_optimize and
11387 combine_stack_adjustments.
11389 2006-01-17 Roger Sayle <roger@eyesopen.com>
11391 * config/i386/i386.c (COSTS_N_BYTES): New macro.
11392 (size_cost): Encode costs in bytes so that a reg-reg addition is
11393 equivalent to COSTS_N_INSNS(1).
11394 (override_options): Use the size_cost.branch_cost as the default
11395 ix86_branch_cost when optimizing for size.
11397 2006-01-18 Ben Elliston <bje@au.ibm.com>
11399 * Makefile.in (D32PBIT_FUNCS): New.
11400 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
11401 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
11402 D64PBIT_FUNCS and D128PBIT_FUNCS.
11403 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
11404 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
11406 (decnumber_dep): Define.
11407 * doc/libgcc.texi (Decimal float library routines): New node.
11408 * config/dfp-bit.h, config/dfp-bit.c: New files.
11410 2006-01-18 Ben Elliston <bje@au.ibm.com>
11412 * expr.c (emit_move_change_mode): Always adjust addresses, not
11413 just during reload. Copy replacements only during reload.
11414 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
11415 emit_move_via_integer.
11417 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
11419 * Makefile.in (check-%, check-consistency): Use $${srcdir}
11420 instead of $(srcdir) and ${srcdir}.
11422 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
11425 PR middle-end/11135
11426 * arm.h (struct machine_function): Add pic_reg.
11427 * arm.c (arm_pic_register): Make unsigned.
11428 (arm_override_options): Only set arm_pic_register if
11429 TARGET_SINGLE_PIC_BASE.
11430 (use_return_insn): Only test for a pic register if it is fixed.
11431 (arm_compute_save_reg0_reg12_mask): Likewise.
11432 (thumb_compute_save_reg_mask): Likewise.
11433 (legitimate_pic_operand): Factor out some known invariants.
11434 (legitimize_pic_address): If we don't have a fixed pic register,
11435 then set up a pseudo in the function entry sequence. Handle the
11436 pic base being in a pseudo.
11437 (arm_load_pic_register): Handle the pic register being in a pseudo.
11438 (arm_expand_prologue): Only set up the pic register if it is fixed.
11439 (thumb_expand_prologue): Likewise.
11440 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
11441 (pic_load_addr_based_insn): Likewise.
11442 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
11445 2006-01-18 Ben Elliston <bje@au.ibm.com>
11447 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
11448 decimal float modes for all floating point registers.
11450 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
11451 match_code "mem" with match_test "macho_lo_sum_memory_operand".
11453 2006-01-17 Jakub Jelinek <jakub@redhat.com>
11456 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
11457 even when the pointer is not NULL.
11459 2006-01-16 Ian Lance Taylor <ian@airs.com>
11461 * common.opt (ftoplevel-reorder): New option.
11462 * cgraph.c (cgraph_asm_nodes): New global variable.
11463 (cgraph_asm_last_node): New static variable.
11464 (cgraph_order): New global variable.
11465 (cgraph_create_node): Set new order field.
11466 (cgraph_varpool_node): Likewise.
11467 (decide_is_variable_needed): Return true if not
11468 flag_toplevel_reorder.
11469 (cgraph_add_asm_node): New function.
11470 * cgraph.h (struct cgraph_node): Add order field.
11471 (struct cgraph_varpool_node): Add order field.
11472 (struct cgraph_asm_node): Define.
11473 (cgraph_asm_nodes, cgraph_order): Declare.
11474 (cgraph_add_asm_node): Declare.
11475 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
11477 (cgraph_varpool_assemble_pending_decls): Call it.
11478 (cgraph_output_pending_asms): New static function.
11479 (cgraph_finalize_compilation_unit): Call it.
11480 (struct cgraph_order_sort): Define.
11481 (cgraph_output_in_order): New static function.
11482 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
11483 !flag_toplevel_reorder case.
11484 * c-parser.c: Include "cgraph.h".
11485 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
11487 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
11488 than -fno-unit-at-a-time.
11489 * doc/invoke.texi (Option Summary): Mention
11490 -fno-toplevel-reorder.
11491 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
11492 -funit-at-a-time documentation.
11494 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
11495 Kazu Hirata <kazu@codesourcery.com>
11497 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
11499 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
11501 * Makefile.in (FUNCTION_H): New. Use it instead of
11502 function.h throughout the file.
11503 * function.h: Include tree.h.
11505 2006-01-17 Ben Elliston <bje@au.ibm.com>
11507 * recog.c: Separate some functions with whitespace.
11509 2006-01-16 Richard Henderson <rth@redhat.com>
11511 Merge from gomp branch:
11512 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
11513 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
11514 and rename from struct inline_data. Rename callee* to dst*;
11515 caller* to src*; add copy_decl hook, transform_call_graph_edges,
11516 transform_new_cfg, transform_return_to_modify, and
11517 transform_lang_insert_block flags; remove cloning_p, versioning_p,
11519 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
11520 (copy_decl_for_dup): Remove.
11521 * tree-inline.c (struct inline_data): Move to header.
11522 (insert_decl_map): Export.
11523 (remap_decl): Update for member name changes. Use copy_decl hook.
11524 Allow for replacement to be a non-decl. Remove dead code.
11525 (remap_type_1): Check for existing mapping.
11526 (remap_type): Export.
11527 (remap_decls): Update for member name changes.
11528 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
11529 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
11530 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
11531 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
11532 (tree_function_versioning, build_duplicate_type): Likewise.
11533 (copy_body_r): Likewise. Export.
11534 (copy_decl_for_dup): Split into ...
11535 (copy_decl_for_dup_finish, copy_decl_to_var,
11536 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
11537 (replace_ref_tree, inlining_p): Remove.
11539 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11541 * ifcvt.c (if_convert): Make it static.
11542 * rtl.h: Remove the prototype for if_convert.
11544 * local-alloc.c (local_alloc): Make it static.
11545 * rtl.h: Remove the prototype for local_alloc.
11547 * loop.c (loop_optimize): Make it static.
11548 * cfgloop.h: Remove the prototype for loop_optimize.
11551 2006-01-16 DJ Delorie <dj@redhat.com>
11553 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
11556 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11558 * pa.md: Disparage copies between general and floating-point registers
11559 in 32-bit move patterns.
11561 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
11564 * Makefile.in (check-%): Depend on site.exp instead of
11565 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
11568 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11570 * global.c (global_alloc): Make it static.
11571 * rtl.h: Remove the prototype for global_alloc.
11573 2006-01-16 Richard Guenther <rguenther@suse.de>
11575 * tree-ssa-alias.c (struct used_part): Add write_only field.
11576 (get_or_create_used_part_for): Initialize it to true.
11577 (create_overlap_variables_for): Don't create structure variables
11578 for structures that only are written to.
11579 (find_used_portions): Handle MODIFY_EXPR to track whether a
11580 structure is only written to.
11582 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11584 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
11586 * basic-block.h: Remove the prototype for
11587 partition_hot_cold_basic_blocks.
11589 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
11591 * cppspec.c (lang_specific_spec_functions): Remove.
11592 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
11593 * gcc.h (lang_specific_spec_functions): Remove.
11594 * gccspec.c (lang_specific_spec_functions): Remove.
11596 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
11598 * combine.c (record_value_for_reg): Invalidate registers
11600 (record_dead_and_set_regs_1): Likewise, by passing them to
11601 record_value_for_reg.
11602 (record_dead_and_set_regs): Invalidate stores made by a
11603 call. We do not combine across a call, but we still
11604 relied on equivalences.
11606 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
11608 * tree-vrp.c (extract_range_from_binary_expr): Cope with
11609 vrp_int_const_binop returning non-constant nodes.
11611 2006-01-16 Paul Brook <paul@codesourcery.com>
11613 * config/m68k/m68k.c (output_move_const_into_data_reg):
11614 Output correct mnemonic for mvz and mvs.
11616 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
11618 * rtl-factoring.c: Add sequence abstraction algorithm.
11619 * cfgcleanup.c (outgoing_edges_match): Extra checks.
11620 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
11622 (block_has_preserve_label): New function.
11623 * common.opt: Register new pass.
11624 * Makefile.in: Ditto.
11626 * timevar.def: Ditto.
11627 * tree-pass.h: Ditto.
11628 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
11629 * rtl.h (make_jump_insn_raw): Add forward decl.
11630 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
11632 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
11633 Roger Sayle <roger@eyesopen.com>
11635 * fold-const.c (fold_minmax): New static function.
11636 (fold_binary) <MIN_EXPR>: Call it.
11637 <MAX_EXPR>: Likewise.
11638 * stor-layout.c (place_field): Use DECL_SIZE consistently
11639 in the computation of the new record size.
11641 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
11643 * cse.c (cse_condition_code_reg): Make it static.
11644 * rtl.h: Remove the prototype for cse_condition_code_reg.
11646 * combine.c (combine_instructions): Make it static.
11647 * rtl.h: Remove the prototype for combine_instructions.
11649 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11652 * tree.c (get_file_function_name_long): Concatenate the first global
11653 object name with a string derived from the input filename of the object
11656 2006-01-16 Ben Elliston <bje@au.ibm.com>
11658 * config/i386/winnt-stubs.c: Update FSF address.
11659 * config/xtensa/ieee754-df.S: Ditto.
11660 * config/xtensa/ieee754-sf.S: Ditto.
11662 2006-01-14 Ian Lance Taylor <ian@airs.com>
11664 * ifcvt.c (noce_init_if_info): New static function, broken out of
11665 noce_process_if_block.
11666 (noce_process_if_block): Call noce_init_if_info.
11667 (check_cond_move_block): New static function.
11668 (cond_move_process_if_block): New static function.
11669 (process_if_block): Call cond_move_process_if_block.
11671 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
11673 * cselib.c (hash_table): Rename to cselib_hash_table.
11674 (cselib_clear_table, discard_useless_values,
11675 remove_useless_values, cselib_lookup_mem, cselib_lookup,
11676 cselib_init, cselib_finish): Adjust uses of hash_table.
11678 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
11680 PR tree-optimization/25485
11681 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
11682 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
11683 is known to be false and true, respectively.
11685 2006-01-14 Richard Guenther <rguenther@suse.de>
11687 PR tree-optimization/22548
11688 PR tree-optimization/22555
11689 PR tree-optimization/22501
11690 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
11691 * params.def (salias-max-array-elements): New parameter.
11692 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
11693 * doc/invoke.texi (salias-max-array-elements): Document.
11694 * tree-flow-inline.h (var_can_have_subvars): We also handle
11696 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
11698 * tree-ssa-structalias.c (params.h): Include.
11699 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
11700 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
11701 (get_constraint_for): For ADDR_EXPR operating on something
11702 containing an ARRAY_REF, add all subvars to the solution.
11703 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
11704 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
11705 for creating MUST_DEFs.
11706 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
11708 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
11710 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
11712 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
11713 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
11714 number_of_iterations_le): New functions.
11715 (number_of_iterations_special): Removed.
11716 (number_of_iterations_exit): Do not use number_of_iterations_special.
11717 * tree.c (unsigned_type_for): Always return integer type.
11719 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
11720 Richard Guenther <rguenther@suse.de>
11722 PR rtl-optimization/24257
11723 * gcse.c (find_moveable_store): Only consider a store movable
11724 when the SET_SRC of the insn can be assigned to a register.
11726 2006-01-14 Ian Lance Taylor <ian@airs.com>
11728 * tree.c (tree_not_class_check_failed): New function.
11729 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
11730 (tree_not_class_check_failed): Declare.
11732 2006-01-13 Ian Lance Taylor <ian@airs.com>
11734 * reload1.c (do_output_reload): Add assertion rejecting a
11737 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
11739 * combine.c (struct reg_stat): Add new fields truncation_label and
11741 (record_value_for_reg): Reset truncated_to_mode.
11742 (record_truncated_value): New function.
11743 (check_promoted_subreg): Call it. Rename to check_conversions.
11744 (combine_instructions): Rename check_promoted_subreg to
11746 (reg_truncated_to_mode): New function.
11747 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
11748 (gen_lowpart_or_truncate): New function.
11749 (force_to_mode): Use it instead of gen_lowpart.
11751 2006-01-13 Diego Novillo <dnovillo@redhat.com>
11753 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
11754 VAR is a tag, not its type tag.
11756 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
11758 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
11759 alternatives to match style of other entries.
11760 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
11762 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
11764 PR tree-optimization/25771
11765 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
11768 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
11771 * tree-inline.c (declare_return_variable): If the return variable
11772 was marked as a non gimple complex, set the return slot variable
11773 to be a non gimple comple variable.
11775 2006-01-13 Richard Guenther <rguenther@suse.de>
11777 * builtins.c (expand_builtin_sincos): New function.
11778 (expand_builtin_mathfn_3): Remove dead code, sin and cos
11780 (expand_builtin): Expand sincos using expand_builtin_sincos.
11782 2006-01-12 DJ Delorie <dj@redhat.com>
11784 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
11785 shift counts, separate SI shifts for m32c vs m16c, pass shift type
11786 so that constant shifts can be split.
11787 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
11788 (m32c_valid_pointer_mode): Make static.
11789 (shift_gen_func_for): New.
11790 (m32c_prepare_shift): Use it. Split large const shifts into
11792 * config/m32c/predicates.md (shiftcount_operand): Allow more
11794 (longshiftcount_operand): New.
11795 * doc/md.texi (Machine Constraints): Document In6.
11797 2006-01-13 Ben Elliston <bje@au.ibm.com>
11799 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
11800 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
11803 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
11805 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
11806 to try to avoid clobbering pieces of structures when we know
11807 something about the whole structure.
11808 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
11810 2006-01-13 Ben Elliston <bje@au.ibm.com>
11812 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
11813 return in memory, as this is no limitation is no longer present.
11815 2006-01-12 DJ Delorie <dj@redhat.com>
11817 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
11818 mova with fb, and for fb+0 -> An.
11820 * config/m32c/mov.md (peephole2): Fix enabling logic.
11822 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
11823 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
11824 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
11825 FINI_ARRAY_SECTION_ASM_OP): Define.
11827 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
11829 (m32c_legitimize_reload_address): New logic to reload FB to An.
11830 (m32c_output_reg_push): Add newline.
11831 (m32c_output_reg_pop): Likewise.
11833 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
11835 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
11837 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
11839 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
11841 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11843 * config/sh/predicates.md (sh_rep_vec): Add parallel to
11846 2006-01-11 Ben Elliston <bje@au.ibm.com>
11848 * rtlanal.c (find_reg_note): Assert insn is not null.
11850 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
11852 * df-scan.c (df_hard_reg_init): Move declaration of i outside
11855 2006-01-11 Jeff Law <law@redhat.com>
11857 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
11859 (mark_threaded_blocks, register_jump_thread): New functions.
11860 (thread_through_all_blocks): Remove unwanted argument. No
11861 longer rely on e->aux to communicate thread target info.
11862 Call mark_threaded_blocks. Release the threaded_blocks
11863 bitmap and threaded_edges vector when complete.
11864 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
11865 (threaded_blocks): Remove.
11866 (tree_ssa_dominator_optimize): Remove initialization and
11867 finalization of threaded_blocks. Simplify call to
11868 thread_through_all_blocks.
11869 (thread_across_edge): Call register_jump_thread rather than
11870 storing thread information into e->aux.
11871 (free_all_edge_infos): Simplify now that e->aux is no longer
11872 used to communicate with thread_through_all_blocks.
11873 * tree-flow.h (thread_through_all_blocks): Update prototype.
11874 (register_jump_thread): Prototype.
11876 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11878 * df-core.c (df_compact_blocks, df_bb_replace): Use
11879 SET_BASIC_BLOCK instead of BASIC_BLOCK.
11881 2006-01-11 Richard Guenther <rguenther@suse.de>
11883 PR tree-optimization/25734
11884 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
11885 stop propagation after successful propagation to the LHS.
11887 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
11889 * basic-block.h (control_flow_graph): Change the type of
11890 x_basic_block_info to VEC(basic_block,gc) *.
11891 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
11893 (SET_BASIC_BLOCK): New.
11894 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
11895 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
11896 * cfgbuild.c (find_basic_blocks): Likewise.
11897 * cfglayout.c (fixup_reorder_chain): Likewise.
11898 * cfgrtl.c (create_basic_block_structure,
11899 rtl_create_basic_block): Likewise.
11900 * ifcvt.c (find_if_case_1): Likewise.
11901 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
11904 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
11906 * Makefile.in: Removed rotted odf.c entry.
11908 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
11911 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
11912 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
11913 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
11914 output pattern modifier, not %e.
11915 * config/cris/cris.c (cris_op_str): Update comment about pattern
11917 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
11918 before falling through into...
11919 <case 'E'>: Redefined from old 'e' case.
11921 2006-01-11 Jan Hubicka <jh@suse.cz>
11924 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
11926 2006-01-11 Jan Hubicka <jh@suse.cz>
11928 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
11929 * i386.c (x86_decompose_lea): Kill.
11930 (ix86_rtx_costs): Kill.
11932 2006-01-11 Jan Hubicka <jh@suse.cz>
11934 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
11935 * cgraph.h (cgraph_node): Add inline_decl.
11936 (cgraph_insert_node_to_hashtable): Declare.
11937 (save_inline_function_body): Declare.
11938 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
11940 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
11941 (cgraph_function_versioning): Update call of tree_function_versioning.
11942 (save_inline_function_body): New function.
11943 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
11944 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
11945 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
11946 (cgraph_default_inline_p): Likewise.
11947 (cgraph_decide_inlining_incrementally): Likewise.
11948 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
11949 (copy_bb): Kill saving; do updating of clones.
11950 (copy_cfg_body): Kill saving.
11951 (initialize_inlined-parameters): Likewise.
11952 (expand_call_inline): Likewise.
11954 (tree_function_versioning): New parameter "update_clones".
11955 (inlining_p): Kill saving.
11956 * tree-inline.h (tree_function_versioning): Update prototype.
11957 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
11960 2006-01-11 Ian Lance Taylor <ian@airs.com>
11962 * combine.c (struct undo): Remove is_int. Enumify types of undos.
11963 Allow undoing set of machine mode.
11964 (do_SUBST): Use enums instead of is_int.
11965 (do_SUBST_MODE): New function.
11966 (SUBST_MODE): New macro.
11967 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
11968 reg and trying to replace reg_regno_rtx with a new register.
11969 (undo_all): Use new enums, handle undoing a PUT_MODE change.
11970 (simplify_set): Use SUBST_MODE.
11971 (distribute_notes): Remove code that tried to update reg notes
11972 for regno_reg_rtx changes.
11974 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
11976 PR tree-optimization/23109
11977 PR tree-optimization/23948
11978 PR tree-optimization/24123
11980 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
11981 * tree-cfg.c (single_noncomplex_succ): New.
11982 * tree-flow.h (single_noncomplex_succ): Declare it.
11983 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
11984 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
11985 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
11986 insert_bb, register_division_in, insert_reciprocals,
11987 replace_reciprocal, free_bb): New.
11988 (execute_cse_reciprocals_1): Rewritten.
11989 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
11990 Do not commit any edge insertion. Always compute dominators and
11991 create the allocation pool.
11992 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
11993 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
11994 * targhooks.c (default_min_divistions_for_recip_mul): New.
11995 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
11996 * passes.c (init_optimization_passes): Run recip after tree loop
11998 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
12000 2006-01-11 Danny Berlin <dberlin@dberlin.org>
12001 Kenneth Zadeck <zadeck@naturalbridge.com>
12003 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
12004 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
12005 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
12006 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
12007 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
12008 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
12009 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
12010 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
12011 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
12012 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
12013 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
12014 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
12015 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
12016 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
12017 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
12018 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
12019 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
12020 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
12021 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
12022 DF_SCAN_POST_ALLOC): New macros.
12023 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
12024 df_free_bb_function, df_local_compute_function, df_init_function,
12025 df_dataflow_function, df_confluence_function_0,
12026 df_confluence_function_n, df_transfer_function,
12027 df_finalizer_function, df_free_function, df_dump_problem_function,
12028 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
12029 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
12030 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
12031 df_urec_bb_info, ) New types.
12032 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
12034 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
12035 df_analyze_simple_change_some_blocks,
12036 df_analyze_simple_change_one_block, df_compact_blocks,
12037 df_bb_replace, df_bb_regno_last_use_find,
12038 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
12039 df_insn_regno_def_p, df_find_def, df_find_use,
12040 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
12041 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
12042 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
12043 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
12044 debug_df_chain, df_get_dependent_problem, df_chain_create,
12045 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
12046 df_grow_bb_info, df_chain_dump, df_print_bb_index,
12047 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
12048 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
12049 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
12050 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
12051 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
12052 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
12053 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
12054 df_ref_remove, df_insn_refs_delete, df_refs_delete,
12055 df_reorganize_refs, df_set_state, df_hard_reg_init,
12056 df_read_modify_subreg_p) New public functions.
12057 * df-core.c: The core dataflow solver and glue routines for rtl
12059 (df_init, df_add_problem, df_set_blocks, df_finish,
12060 df_hybrid_search_forward, df_hybrid_search_backward,
12061 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
12062 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
12063 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
12064 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
12065 df_reg_defined, df_find_use, df_reg_used, df_dump,
12066 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
12067 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
12068 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
12069 debug_df_useno, reset_df_after_reload): New functions.
12070 * df-scan.c: The scanning fuctions, once in df.c, completely
12071 rewritten so that they now fully model the functionality of
12072 register usage at the backend.
12073 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
12074 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
12075 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
12076 df_grow_insn_info, df_rescan_blocks, df_ref_create,
12077 df_get_artificial_defs, df_get_artificial_uses,
12078 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
12079 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
12080 df_refs_delete, df_reorganize_refs, df_set_state,
12081 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
12082 df_def_record_1, df_defs_record, df_uses_record,
12083 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
12084 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
12085 df_record_exit_block_uses, df_hard_reg_init): New functions.
12087 * df-problems.c: Seven concrete dataflow problems that use the
12088 scanning in df-scan.c and are solved by the engine in df-core.c.
12089 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
12090 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
12091 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
12092 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
12093 df_ru_free_bb_info, df_ru_alloc,
12094 df_ru_bb_local_compute_process_def,
12095 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
12096 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
12097 df_ru_transfer_function, df_ru_free, df_ru_dump,
12098 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
12099 df_rd_free_bb_info, df_rd_alloc,
12100 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
12101 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
12102 df_rd_transfer_function, df_rd_free, df_rd_dump,
12103 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
12104 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
12105 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
12106 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
12107 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
12108 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
12109 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
12110 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
12111 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
12112 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
12113 df_urec_mark_reg_change, df_urec_check_earlyclobber,
12114 df_urec_mark_reg_use_for_earlyclobber,
12115 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
12116 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
12117 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
12118 df_urec_dump, df_urec_add_problem, df_chain_alloc,
12119 df_chain_create_bb_process_use, df_chain_create_bb,
12120 df_chain_finalize, df_chain_free, df_chains_dump,
12121 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
12122 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
12123 df_reg_lifetime): New functions.
12124 * df.c: Deleted file.
12125 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
12126 consistent with new df api.
12127 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
12128 rest_of_handle_sms): Ditto.
12129 * web.c (unionfind_union, union_defs, entry_register, web_main):
12131 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
12132 invariant_expr_equal_p, find_defs, check_dependencies,
12133 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
12134 free_inv_motion_data, move_loop_invariants): Ditto.
12135 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
12136 Update dependencies.
12137 (odf.c): Added defective entry that was deleted later in day.
12138 * sched-deps.c (sched_analyze_1): Ditto.
12140 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12142 * tree-ssa-operands.c (get_expr_operands): Record addressable
12143 variables directly. Do not call add_stmt_operands for CONST_DECLs
12145 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
12146 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
12148 2006-01-11 Ben Elliston <bje@au.ibm.com>
12150 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
12151 function returns true in the positive case.
12153 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12156 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
12157 for SI, DI, SF and DF modes. Add alternatives to copy between
12158 general and floating point registers to the 32-bit patterns.
12159 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
12160 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
12161 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
12162 generating 64-bit code.
12163 * config/pa/pa.c (output_move_double): Handle copies between general
12164 and floating registers.
12166 2006-01-10 Stuart Hastings <stuart@apple.com>
12168 * config/i386/i386.md (set_got): Update.
12169 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
12170 (builtin_setjmp_receiver): Mach-O support.
12171 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
12172 (GOT_SYMBOL_NAME): Define.
12173 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
12174 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
12175 * config/i386/i386.c (override_options): Revise for Darwin.
12176 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
12177 support. (darwin_x86_file_end): New. (output_set_got): Add label
12178 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
12179 * config/i386/i386-protos.h (output_set_got): Likewise.
12180 * config/darwin.c (machopic_legitimize_pic_address): Update
12183 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
12185 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
12186 when MODE isn't BLKmode.
12188 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
12190 PR rtl-optimization/25367
12191 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
12193 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
12196 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
12197 for a negative bound.
12199 2006-01-10 Richard Guenther <rguenther@suse.de>
12201 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12202 Never override with anything constraint.
12204 2006-01-10 Jan Beulich <jbeulich@novell.com>
12206 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
12207 256 bits when optimize_size.
12209 2006-01-10 Jan Beulich <jbeulich@novell.com>
12211 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
12213 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
12214 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
12217 2006-01-10 Ben Elliston <bje@au.ibm.com>
12219 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
12221 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
12222 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
12223 (USE_FP_FOR_ARG): Reject decimal float modes.
12224 (function_arg_advance): Likewise.
12225 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
12226 (rs6000_handle_altivec_attribute): Do not permit decimal floating
12227 point types in AltiVec vectors.
12228 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
12229 (rs6000_libcall_value): Likewise.
12231 2006-01-09 Bob Wilson <bob.wilson@acm.org>
12233 * config/xtensa/ieee754-df.S: New file.
12234 * config/xtensa/ieee754-sf.S: New file.
12235 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
12236 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
12237 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
12239 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
12241 * config/sh/predicates.md (binary_float_operator,
12242 binary_logical_operator, commutative_float_operator,
12243 equality_comparison_operator, greater_comparison_operator,
12244 less_comparison_operator, logical_operator,
12245 noncommutative_float_operator, shift_operator,
12246 symbol_ref_operand, unary_float_operator): Remove redundant
12249 2006-01-09 Jeff Law <law@redhat.com>
12251 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
12252 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
12253 now unused arguments. Callers updated.
12254 (eliminate_redundant_computations): Remove now unused arguments,
12256 (local_fold): Remove, no longer used.
12257 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
12259 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
12260 (simplify_cond): New function.
12261 (forward_propagate_into_cond): Call simplify_cond.
12263 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
12265 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
12266 (*vec_extractv2di_1_sse): New.
12268 2006-01-09 Ben Elliston <bje@au.ibm.com>
12270 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
12272 2006-01-08 Richard Guenther <rguenther@suse.de>
12274 * tree-ssa-structalias.c (get_constraint_for): Remove
12275 anyoffset argument.
12276 (get_constraint_for_component_ref): Likewise.
12277 (do_deref): Likewise.
12278 (get_constraint_for): Likewise.
12279 (do_structure_copy): Likewise.
12280 (handle_ptr_arith): Likewise.
12281 (find_func_aliases): Likewise. Remove unused need_anyoffset
12284 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
12285 Kaz Kojima <kkojima@gcc.gnu.org>
12287 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
12288 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
12289 (EXTRA_CONSTRAINT_C16): Remove.
12290 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
12291 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
12292 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
12293 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
12294 constants of SHmedia. Handle nested constant expressions of
12296 (andcosts): Fix the costs for SHmedia constants.
12297 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
12298 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
12299 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
12300 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
12301 (movv4hi_i, movv2si_i): Likewise.
12302 (movsi_const): Adjust the second operand of ior so to match with
12303 the Csu constraint.
12304 (movdi_const, movdi_const_32bit): Likewise.
12305 (movdi_const_16bit+1): Don't sign-extend LOW.
12306 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
12308 (*double_shori): Fix the split condition. Use GEN_INT instead
12309 of get_int_mode calls. Mask lower 16-bit of the argument of
12311 (sym2GOTPLT): Remove.
12312 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
12314 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
12315 instead of EXTRA_CONSTRAINT_C16.
12317 2006-01-07 Ian Lance Taylor <ian@airs.com>
12318 David Edelsohn <edelsohn@gnu.org>
12320 PR rtl-optimization/25662
12321 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
12322 for constant operands instead of simplify_gen_binary.
12323 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
12324 after trying simplify_binary_operation
12326 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
12328 * tree.c (iterative_hash_expr): Hash decls based on UID.
12330 2006-01-06 Eric Christopher <echristo@apple.com>
12332 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
12333 (TARGET_UNWIND_EMIT): Fix spelling.
12334 * target.h (gcc_target): Add except_table_label.
12335 * except.c (output_function_exception_table): Use.
12336 * varasm.c (default_emit_except_table_label): New.
12337 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
12339 (asm_out): Add here.
12340 * output.h (default_emit_except_table_label): Prototype.
12341 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
12342 * config/darwin.c (darwin_emit_except_table_label): Define.
12343 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
12345 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
12347 PR tree-optimization/18527
12348 * tree-ssa-loop-niter.c (number_of_iterations_cond,
12349 number_of_iterations_special, number_of_iterations_exit):
12350 Move base and step of an iv to a single structure. Add
12351 no_overflow flag, and use it in # of iterations analysis.
12352 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
12353 folded_casts argument.
12354 (simple_iv): Pass base and step in a structure. Set no_overflow
12356 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
12357 Evaluate expensiveness of computing # of iterations instead of
12358 the final expression.
12359 * tree-scalar-evolution.h (affine_iv): New structure.
12360 (simple_iv): Declaration changed.
12361 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
12362 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
12363 find_givs_in_stmt): Changed due to simple_iv change.
12365 2006-01-06 Jeff Law <law@redhat.com>
12368 * tree-cfg.c (bsi_replace): Rename final argument from
12369 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
12370 change (stmt -> orig_stmt).
12371 * tree-eh.c (verify_eh_throw_stmt_node): New function.
12372 (bsi_remove): Add new argument. Remove EH information
12374 (verify_eh_throw_table_statements): New function.
12375 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
12377 * tree-optimize.c (execute_free_cfg_annotations): Verify
12378 the EH throw statement table after removing annotations.
12379 * except.h (verify_eh_throw_table_statements): Prototype.
12380 * tree-flow.h (bsi_remove): Update prototype.
12381 * tree-vrp.c (remove_range_assertions): Add new argument to
12383 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
12384 * tree-complex.c (expand_complex_div_wide): Likewise.
12385 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
12386 * tree-tailcall.c (eliminate_tailcall): Likewise.
12387 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
12388 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
12389 * tree-nrv.c (tree_nrv): Likewise.
12390 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
12391 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
12392 (combine_blocks): Likewise.
12393 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
12394 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
12395 (cleanup_control_flow): Likewise.
12396 (remove_forwarder_block): Likewise.
12397 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
12398 * tree-sra.c (sra_replace): Likewise.
12399 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
12400 (forward_propagate_single_use_vars): Likewise.
12401 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
12402 * tree-inline.c (expand_call_inline): Likewise.
12403 * tree-vect-transform.c (vect_transform_loop): Likewise.
12404 * tree-outof-ssa.c (rewrite_trees): Likewise.
12405 * tree-cfg.c (make_goto_expr_edges): Likewise.
12406 (cleanup_dead_labels): Likewise.
12407 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
12408 (bsi_move_before, bsi_move_after): Likewise.
12409 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
12410 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
12412 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
12415 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
12417 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
12418 on non gimple variables. Also add checks at the top for decls and
12420 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
12422 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
12423 and IMAGPART_EXPR for creating MUST_DEFs.
12424 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
12425 and NAME_MEMORY_TAG separately from the DECLs.
12427 2006-01-06 Richard Guenther <rguenther@suse.de>
12429 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
12430 annotation, if necessary.
12431 * tree-ssa-pre.c (create_expression_by_pieces): Remove
12432 redundant calls to update_stmt.
12433 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
12436 2006-01-05 Richard Henderson <rth@redhat.com>
12438 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
12440 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12442 * c-typeck.c: Update copyright date.
12444 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
12446 * c-typeck.c (build_c_cast): Always warn when casting
12447 from a pointer to an integer of different size, even if
12448 the node was constant.
12450 2006-01-05 Richard Guenther <rguenther@suse.de>
12452 PR tree-optimization/22555
12453 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
12454 if one structure field is an array.
12455 * tree-ssa-operands.c (get_expr_operands): Continue scanning
12456 operands even if we found a subvar, but ignore VOPs in this
12458 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
12460 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
12462 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
12464 PR middle-end/24998
12465 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
12467 2006-01-05 Richard Guenther <rguenther@suse.de>
12468 Diego Novillo <dnovillo@redhat.com>
12470 * tree-pass.h (TODO_remove_unused_locals): Define.
12471 * gimple-low.c (expand_var_p, remove_useless_vars,
12472 pass_remove_useless_vars): Remove. Update all users.
12473 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
12474 (remove_unused_locals): New function.
12475 * tree-flow.h (remove_unused_locals): Declare.
12476 * passes.c (execute_todo): Call remove_unused_locals if
12477 TODO_remove_unused_locals is set.
12478 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
12479 * tree-ssa-dce.c (pass_dce): Likewise.
12480 * tree-outof-ssa.c (pass_del_ssa): Likewise.
12482 2006-01-05 Richard Guenther <rguenther@suse.de>
12484 * tree-flow.h (struct fieldoff): Decompose field to
12485 type, size and decl.
12486 * tree-ssa-alias.c (create_sft): Take type as parameter.
12487 (create_overlap_variables_for): Store type, size and decl
12488 in the fieldoff structure.
12489 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
12490 of struct fieldoff.
12491 (push_fields_onto_fieldstack): Likewise.
12492 (create_variable_info_for): Likewise. Use offset for the
12493 SFT name if the decl is not available.
12495 2006-01-04 Paul Brook <paul@codesourcery.com>
12497 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
12499 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
12501 * lambda-code.c (can_put_in_inner_loop): Relax
12503 (can_put_after_inner_loop): New function.
12504 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
12505 (perfect_nestify): Change to make copies and modify uses.
12507 2006-01-04 Richard Henderson <rth@redhat.com>
12509 Merge from gomp branch:
12510 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
12511 via integer constant.
12512 (pragma_lex): Remove.
12513 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
12514 rather than parsing it.
12515 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
12516 handle_pragma_extern_prefix): Add %< %> quotes.
12517 (registered_pragmas): New.
12518 (c_register_pragma_1): New.
12519 (c_register_pragma): Use it.
12520 (c_register_pragma_with_expansion): Likewise.
12521 (c_invoke_pragma_handler): New.
12522 (init_pragma): Use cpp_register_deferred_pragma directly for
12524 * c-pragma.h (enum pragma_kind): New.
12525 (pragma_handler): New.
12526 (c_invoke_pragma_handler): Declare.
12527 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
12529 * c-common.h (c_common_pch_pragma): Update decl.
12530 * Makefile.in (c-parser.o): Update dependencies.
12531 (GTFILES): Add c-pragma.h.
12532 * c-parser.c (struct c_token): Add pragma_kind.
12533 (struct c_parser): Add in_pragma.
12534 (c_lex_one_token): Always initialize keyword and pragma_kind.
12535 Extract data for CPP_PRAGMA.
12536 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
12537 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
12538 Don't allow CPP_PRAGMA_EOL if in_pragma.
12539 (c_parser_consume_pragma): New.
12540 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
12541 (c_parser_skip_to_end_of_parameter): Likewise.
12542 (c_parser_skip_to_end_of_block_or_statement): Likewise.
12543 (c_parser_skip_to_pragma_eol): New.
12544 (c_parser_external_declaration): Handle CPP_PRAGMA.
12545 (c_parser_compound_statement_nostart): Likewise.
12546 (c_parser_statement_after_labels): Likewise.
12547 (c_parser_pragma): New.
12548 (pragma_lex): Likewise.
12549 (c_parser_pragma_pch_preprocess): New.
12550 (c_parser_new): Merge into ...
12551 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
12553 2006-01-04 Jeff Law <law@redhat.com>
12556 * tree-cfg.c (bsi_replace): Remove the original statement
12557 from the EH throw statement table.
12559 2006-01-04 Jakub Jelinek <jakub@redhat.com>
12561 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
12562 make the prototype extern "C" and add throw ().
12565 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
12566 and pos non-negative and pos + len <= 32.
12567 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
12568 drop pos + len < HOST_BITS_PER_WIDE_INT test.
12569 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
12572 * c-common.c (handle_vector_size_attribute): Reject zero vector size
12573 as well as sizes not multiple of component size.
12576 * function.c (instantiate_expr): New function.
12577 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
12578 walk its DECL_VALUE_EXPR with instantiate_expr.
12580 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
12581 DW_OP_deref{,_size} if address isn't going to be added.
12583 2006-01-04 Ben Elliston <bje@au.ibm.com>
12585 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
12586 * config/fp-bit.c: Likewise.
12588 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
12590 * dominance.c: Add comment about why we use DFS numbering
12593 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12594 Richard Henderson <rth@redhat.com>
12596 Merge from gomp-branch:
12597 * varasm.c (assemble_variable): Handle thread-local COMMON data.
12598 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
12600 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
12602 PR rtl-optimization/25578
12603 * combine.c (combine_simplify_rtx, force_to_mode): Don't
12604 pass a parameter to simplify_shift_const if changing ASHIFTRT
12607 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
12609 * builtins.c (get_builtin_sync_mem): New function.
12610 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
12611 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
12612 Call get_builtin_sync_mem to generate mem rtx.
12614 2006-01-03 Richard Guenther <rguenther@suse.de>
12617 * stmt.c (add_case_node): Make sure to clear overflow flags
12620 2006-01-03 Jakub Jelinek <jakub@redhat.com>
12622 Merge from gomp-branch.
12623 * config/sparc/sync.md: New file.
12624 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
12625 UNSPECV_LDSTUB): New constants.
12626 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
12627 * config/sparc/predicates.md (memory_reg_operand): New predicate.
12628 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
12631 2006-01-03 Roger Sayle <roger@eyesopen.com>
12633 * combine.c (reg_subword_p): New predicate to test whether the
12634 destination of a set refers to a subword/piece of a register.
12635 (try_combine): Generalize the code to merge the setting of a
12636 pseudo to a constant followed by a set of a subword of that
12637 register to a constant.
12639 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
12641 * basic-block.h (control_flow_graph): Change the type of
12642 x_label_to_block_map to VEC(basic_block,gc) *.
12643 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
12644 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
12646 * tree-ssa-propagate.c (cfg_blocks): Change the type to
12647 VEC(basic_block,heap) *.
12648 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
12649 ssa_prop_fini): Adjust the uses of cfg_blocks.
12651 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
12653 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
12655 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
12656 hashing trees instead of a pointer hash.
12657 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
12658 compare for MEM_EXPR.
12660 PR rtl-optimization/25130
12661 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
12662 when comparing MEMs for GCSE
12664 2006-01-03 Ben Elliston <bje@au.ibm.com>
12666 * targhooks.h (default_decimal_float_supported_p): Declare.
12667 * targhooks.c (default_decimal_float_supported_p): Define.
12668 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
12669 `default_decimal_float_supported_p'.
12670 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
12672 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
12674 * combine.c (apply_distributive_law <SUBREG>): Check
12675 TRULY_NOOP_TRUNCATION.
12677 2006-01-02 Geoffrey Keating <geoffk@apple.com>
12679 * dwarf2out.c (have_switched_text_section): Delete.
12680 (have_multiple_function_sections): New.
12681 (have_location_lists): Make 'bool'.
12682 (add_AT_loc_list): Use 'true' not '1'.
12683 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
12684 (output_loc_list): Use have_multiple_function_sections.
12685 (output_ranges): Likewise.
12686 (dwarf2out_begin_function): Set have_multiple_function_sections if
12688 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
12689 Check function_section rather than DECL_SECTION_NAME.
12690 (dwarf2out_finish): Use have_multiple_function_sections.
12691 Don't clear have_location_lists.
12693 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
12694 Jan Hubicka <jh@suse.cz>
12696 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
12697 case of conditional jump jumping to the next instruction.
12698 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
12699 cases of conditional jump jumping to the next instruction.
12701 2006-01-02 Jan Hubicka <jh@suse.cz>
12703 * i386.c (*_cost): Add COSTS_N_INSNS.
12704 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
12706 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
12709 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
12711 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12713 * config/arm/arm.c (all_fpus): Fix comment typo.
12714 * config/darwin.c: Likewise.
12715 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
12716 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
12717 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
12719 2006-01-01 David Edelsohn <edelsohn@gnu.org>
12721 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
12722 (rs6000_split_compare_and_swapqhi): New.
12723 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
12724 (sync_compare_and_swapqhi_internal): New.
12725 * config/rs6000/rs6000-protos.h: Declare.